KHK FRCP CP Metal Flexible Racks — Discontinued Models

Identifying an older FRCP metal flexible rack? This article records the legacy CP5 models for replacement enquiries.

Product status: discontinued family. This page provides identification information for existing equipment.

Customer: Which family should I specify?

KAYO: KHK lists FRCP5-2000, FRCP5-3000 and FRCP5-4000 in its discontinuation notice for June 2026. The 2025 catalog specifies production ending after 20 June 2026. The current Japanese selection page returns no model rows; dimensions below are historical catalog data.

Customer: Which models and sizes are shown?

KAYO: The historical catalog lists 3 model codes for this group. Pitch values: CP5. All listed models are shown below.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
FRCP5-2000	CP5	2000	10	0.91
FRCP5-3000	CP5	3000	10	1.37
FRCP5-4000	CP5	4000	10	1.83

Customer: What should I check before installation?

KAYO: Confirm remaining availability or a suitable replacement before planning a new installation. The historical catalog gives a minimum bending radius of 150 mm and states that FRCP is unsuitable where positioning accuracy is required. Check the original installation guidance for any existing machine.

Customer: What are the exact model numbers?

KAYO: FRCP5-2000, FRCP5-3000, FRCP5-4000.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss identification and replacement requirements. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK FRCP official selection page | KHK rack product range | KHK discontinuation notice | Historical FRCP dimensions.

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KHK SROCP CP Round Racks

Selecting a circular-section rack with CP teeth? SROCP combines round-body geometry with circular pitch.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 3 model codes for this group. Pitch values: CP2.5, CP5, CP10. All listed models are shown below.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
SROCP2.5-500	CP2.5	505	10	0.30
SROCP5-500	CP5	505	15	0.65
SROCP10-1000	CP10	1010	30	5.16

Customer: What should I check before installation?

KAYO: Check guide support, anti-rotation requirements and the selected CP pinion. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: SROCP2.5-500, SROCP5-500, SROCP10-1000.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK SROCP official selection page | KHK rack product range.

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KHK SURCPF / SURCPFD CP Stainless Steel Racks

Need a stainless rack with circular pitch? SURCPF and SURCPFD form the CP stainless rack group.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 8 model codes for this group. Pitch values: CP5, CP10. Representative dimensions are shown below, followed by the complete model list.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
SURCPF5-500	CP5	500	15	1.09
SURCPF10-500	CP10	500	30	3.78
SURCPFD5-500J	CP5	500	15	1.07
SURCPFD10-500J	CP10	500	30	3.65
SURCPFD10-1000	CP10	1000	30	7.36

Customer: What should I check before installation?

KAYO: Confirm the CP pinion match and material suitability for the machine environment. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: SURCPF5-500, SURCPF5-1000, SURCPF10-500, SURCPF10-1000, SURCPFD5-500J, SURCPFD5-1000, SURCPFD10-500J, SURCPFD10-1000.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK SURCPF / SURCPFD official selection page | KHK rack product range.

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KHK SRCP / SRCPF / SRCPFD / SRCPFK CP Standard Racks

Looking for standard CP rack choices across several formats? The SRCP family groups plain and mounting variants.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 36 model codes for this group. Pitch values: CP2.5, CP5, CP10, CP15, CP20. Representative dimensions are shown below, followed by the complete model list.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
SRCP2.5-100	CP2.5	98	10	0.086
SRCPF5-1500	CP5	1500	15	3.25
SRCPF20-1000	CP20	1000	60	25.3
SRCPFD10-1000	CP10	1000	30	7.29
SRCPFD20-2000	CP20	2040	60	50.0

Customer: What should I check before installation?

KAYO: Select the required pitch first, then compare length, end treatment and mounting arrangement. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: SRCP2.5-100, SRCP5-100, SRCP10-100, SRCP15-100, SRCP20-100, SRCPF2.5-500, SRCPF2.5-1000, SRCPF5-500, SRCPF5-1000, SRCPF5-1500, SRCPF5-2000, SRCPF10-500, SRCPF10-1000, SRCPF10-1500, SRCPF10-2000, SRCPF15-1000, SRCPF15-1500, SRCPF15-2000, SRCPF20-1000, SRCPF20-1500, SRCPF20-2000, SRCPFK2.5-500J, SRCPFD5-500J, SRCPFD5-1000, SRCPFD5-1500, SRCPFD5-2000, SRCPFD10-500J, SRCPFD10-1000, SRCPFD10-1500, SRCPFD10-2000, SRCPFD15-1000, SRCPFD15-1500, SRCPFD15-2000, SRCPFD20-1000, SRCPFD20-1500, SRCPFD20-2000.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK SRCP / SRCPF / SRCPFD / SRCPFK official selection page | KHK rack product range.

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KHK SRCPF-HL / SRCPFD-HL CP Laser Hardened Racks

Need laser hardened teeth with circular pitch? These SRCPF and SRCPFD models carry the HL suffix.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 24 model codes for this group. Pitch values: CP5, CP10, CP15, CP20. Representative dimensions are shown below, followed by the complete model list.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
SRCPF5-1000HL	CP5	1000	15	2.17
SRCPF15-1000HL	CP15	1005	50	17.8
SRCPFD5-1000HLJ	CP5	1000	15	2.13
SRCPFD15-1000HLJ	CP15	1005	50	17.3
SRCPFD20-2000HLJ	CP20	2040	60	50

Customer: What should I check before installation?

KAYO: Confirm HL treatment, CP pitch and the exact model ratings for the intended duty. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: SRCPF5-1000HL, SRCPF5-1500HL, SRCPF5-2000HL, SRCPF10-1000HL, SRCPF10-1500HL, SRCPF10-2000HL, SRCPF15-1000HL, SRCPF15-1500HL, SRCPF15-2000HL, SRCPF20-1000HL, SRCPF20-1500HL, SRCPF20-2000HL, SRCPFD5-1000HLJ, SRCPFD5-1500HLJ, SRCPFD5-2000HLJ, SRCPFD10-1000HLJ, SRCPFD10-1500HLJ, SRCPFD10-2000HLJ, SRCPFD15-1000HLJ, SRCPFD15-1500HLJ, SRCPFD15-2000HLJ, SRCPFD20-1000HLJ, SRCPFD20-1500HLJ, SRCPFD20-2000HLJ.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK SRCPF-HL / SRCPFD-HL official selection page | KHK rack product range.

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KHK SRCPF-H / SRCPFD-H CP Hardened Racks

Looking for hardened SRCPF CP racks? This group separates the H-suffix models from the standard CP range.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 8 model codes for this group. Pitch values: CP5, CP10, CP15, CP20. Representative dimensions are shown below, followed by the complete model list.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
SRCPF5-1000H	CP5	1000	15	2.17
SRCPF15-1000H	CP15	1005	50	17.8
SRCPFD5-1000HJ	CP5	1000	15	2.13
SRCPFD15-1000HJ	CP15	1005	50	17.3
SRCPFD20-1000HJ	CP20	1000	60	24.5

Customer: What should I check before installation?

KAYO: Use the selected model drawing to check section dimensions and mounting-hole details. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: SRCPF5-1000H, SRCPF10-1000H, SRCPF15-1000H, SRCPF20-1000H, SRCPFD5-1000HJ, SRCPFD10-1000HJ, SRCPFD15-1000HJ, SRCPFD20-1000HJ.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK SRCPF-H / SRCPFD-H official selection page | KHK rack product range.

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KHK KRCPF / KRCPFD CP Thermal Refined Racks

Considering thermal refined CP racks? KRCPF and KRCPFD offer two catalog formats in this family.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 8 model codes for this group. Pitch values: CP5, CP10. Representative dimensions are shown below, followed by the complete model list.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
KRCPF5-500	CP5	500	15	1.08
KRCPF10-500	CP10	500	30	3.75
KRCPFD5-500J	CP5	500	15	1.06
KRCPFD10-500J	CP10	500	30	3.61
KRCPFD10-1000J	CP10	1000	30	7.29

Customer: What should I check before installation?

KAYO: Match the actual rack length and mounting features to the machine layout. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: KRCPF5-500, KRCPF5-1000, KRCPF10-500, KRCPF10-1000, KRCPFD5-500J, KRCPFD5-1000J, KRCPFD10-500J, KRCPFD10-1000J.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK KRCPF / KRCPFD official selection page | KHK rack product range.

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KHK KRCPF-H / KRCPFD-H CP Hardened Racks

Need hardened KRCPF CP rack models? The H suffix distinguishes this catalog group.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 4 model codes for this group. Pitch values: CP5, CP10. All listed models are shown below.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
KRCPF5-1000H	CP5	1000	15	2.17
KRCPF10-1000H	CP10	1000	30	7.49
KRCPFD5-1000HJ	CP5	1000	15	2.13
KRCPFD10-1000HJ	CP10	1000	30	7.29

Customer: What should I check before installation?

KAYO: Confirm the required CP pitch, hardened model code and support arrangement. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: KRCPF5-1000H, KRCPF10-1000H, KRCPFD5-1000HJ, KRCPFD10-1000HJ.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK KRCPF-H / KRCPFD-H official selection page | KHK rack product range.

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KHK SRGCP / SRGCPF / SRGCPFD CP Hardened Ground Racks

Need a hardened ground rack in the SRGCP family? Several end and mounting arrangements are available in the model table.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 16 model codes for this group. Pitch values: CP5, CP10, CP15, CP20. Representative dimensions are shown below, followed by the complete model list.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
SRGCP5-100	CP5	98	15	0.21
SRGCPF5-500	CP5	500	15	1.08
SRGCPF15-1000	CP15	1005	50	17.8
SRGCPFD10-500J	CP10	500	30	3.61
SRGCPFD20-1000J	CP20	1000	60	24.5

Customer: What should I check before installation?

KAYO: Specify the complete SRGCP, SRGCPF or SRGCPFD code to identify the correct format. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: SRGCP5-100, SRGCP10-100, SRGCP15-100, SRGCP20-100, SRGCPF5-500, SRGCPF5-1000, SRGCPF10-500, SRGCPF10-1000, SRGCPF15-1000, SRGCPF20-1000, SRGCPFD5-500J, SRGCPFD5-1000J, SRGCPFD10-500J, SRGCPFD10-1000J, SRGCPFD15-1000J, SRGCPFD20-1000J.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK SRGCP / SRGCPF / SRGCPFD official selection page | KHK rack product range.

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KHK KRGCP / KRGCPF / KRGCPFD CP Thermal Refined Ground Racks

Considering thermal refined, ground CP racks? This group includes KRGCP, KRGCPF and KRGCPFD formats.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 10 model codes for this group. Pitch values: CP5, CP10. Representative dimensions are shown below, followed by the complete model list.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
KRGCP5-100	CP5	98	15	0.21
KRGCPF5-500	CP5	500	15	1.08
KRGCPF10-1000	CP10	1000	30	7.49
KRGCPFD5-1000J	CP5	1000	15	2.13
KRGCPFD10-1000J	CP10	1000	30	7.28

Customer: What should I check before installation?

KAYO: Compare the model section and mounting details alongside the required CP pitch. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: KRGCP5-100, KRGCP10-100, KRGCPF5-500, KRGCPF5-1000, KRGCPF10-500, KRGCPF10-1000, KRGCPFD5-500J, KRGCPFD5-1000J, KRGCPFD10-500J, KRGCPFD10-1000J.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK KRGCP / KRGCPF / KRGCPFD official selection page | KHK rack product range.

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KHK KRGCPF-H / KRGCPFD-H CP Hardened Ground Racks

Looking for hardened KRGCPF CP racks? These H-suffix models are listed as a separate family.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 8 model codes for this group. Pitch values: CP5, CP10. Representative dimensions are shown below, followed by the complete model list.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
KRGCPF5-500H	CP5	500	15	1.08
KRGCPF10-500H	CP10	500	30	3.75
KRGCPFD5-500HJ	CP5	500	15	1.06
KRGCPFD10-500HJ	CP10	500	30	3.61
KRGCPFD10-1000HJ	CP10	1000	30	7.28

Customer: What should I check before installation?

KAYO: Use the exact H-suffix code and verify pitch, mounting layout and operating load. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: KRGCPF5-500H, KRGCPF5-1000H, KRGCPF10-500H, KRGCPF10-1000H, KRGCPFD5-500HJ, KRGCPFD5-1000HJ, KRGCPFD10-500HJ, KRGCPFD10-1000HJ.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK KRGCPF-H / KRGCPFD-H official selection page | KHK rack product range.

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KHK MRGCPF / MRGCPFD CP Hardened Ground Racks

Need a CP rack with hardened, ground teeth? MRGCPF and MRGCPFD combine those features in a circular-pitch family.

Customer: Which family should I specify?

KAYO: CP identifies circular pitch. Select a pinion with the matching CP specification; keep the pitch system explicit when requesting a quote.

Customer: Which models and sizes are shown?

KAYO: The current Japanese selection table lists 4 model codes for this group. Pitch values: CP5, CP10. All listed models are shown below.

Model	Pitch	Overall length (mm)	Face width (mm)	Mass (kg)
MRGCPF5-500	CP5	500	15	1.08
MRGCPF10-500	CP10	500	30	3.75
MRGCPFD5-500J	CP5	500	15	1.06
MRGCPFD10-500J	CP10	500	30	3.61

Customer: What should I check before installation?

KAYO: Confirm the required CP pitch and mounting format before selecting the pinion. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.

Customer: What are the exact model numbers?

KAYO: MRGCPF5-500, MRGCPF10-500, MRGCPFD5-500J, MRGCPFD10-500J.

Customer: What should I send for an enquiry?

KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.

References: KHK MRGCPF / MRGCPFD official selection page | KHK rack product range.

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