Products Power Transmission Products

  • Roller Chain Coupling

Main Unit with Finished Bore (Fit Bore Series)

117 types of finished bore items are available. Quick Delivery upon request.

The standard tolerance of bore machining is based on H7 and accommodates the tolerances of press fitting too.

RoHS compliant

Body with Finished Bore (Fit Bore Series)

1. Reference Number System

CR 6022 - N H 35 J D2 X N F 40 F D2
Series Size (1) (2) (3) (4) (5)

(1) Kind of hub

  • N: Set screw positioning

(2) Shaft bore tolerance

  • H: H7 (Standard)
  • F: F7
  • J: JS7
  • G: G7
  • P: P7
  • M: M7
  • N: N7
  • K: K7
  • R: R7

(3) Bore diameter

  • Shaft bore diameters are in 1mm units.

(4) Keyway tolerance

  • J: New JIS Js9 (Standard)
  • P: New JIS P9
  • E: Old JIS E9
  • F: Old JIS F7

(5) Set screw positioning

  • D0 Set screw positioning
  • D1 Set screw positioning
  • D2 Set screw positioning
  • D3 Set screw positioning
  • D4 Set screw positioning
  • D5 Set screw positioning
  • D6 Set screw positioning
  • D7 Set screw positioning
  • D8 Set screw positioning
  • Yellow highlighted areas are expanded models.
  • Please order the body and casing separately.

Model numbers for Couplings change from November 1, 2016.

4. Bore Diameter Range

Standard

Model No. Finish bored items with keyways (mm)
Set screw positioning: NH**JD2 Set screw positioning: NH**JD3 Set screw positioning: NH**JD6
CR3812 14, 15, 16
CR4012 14, 15, 16, 17, 18, 19 20, 22
CR4014 14, 15, 16, 17, 18, 19, 20, 22 24, 25, 28
CR4016 16, 17, 18, 19, 20, 22, 24, 25, 28 30, 32
CR5014 16, 17, 18, 19, 20, 22, 24, 25, 28, 30 32, 35
CR5016 18, 19, 20, 22, 24, 25, 28, 30, 32 35, 38, 40
CR5018 18, 19, 20, 22, 24, 25, 28, 30, 32, 35, 38, 40 42 45
CR6018 22, 24, 25, 28, 30, 32, 35, 38, 40 42, 45, 48, 50, 55
CR6022 28, 30, 32, 35, 38, 40 42, 45, 48, 50, 55, 60, 65
CR8018 32, 35, 38, 40 42, 45, 48, 50, 55, 60, 65
CR8022 40 42, 45, 48, 50, 55, 60, 65

Shaft bore finishing range for each size

Model No. Finish bored items with keyways (mm)
Other than shown at right Set screw positioning D0, D6, D7, D8
CR3812 φ11 to φ13 φ11 to φ16
CR4012 φ11 to φ19 φ11 to φ22
CR4014 φ11 to φ23 φ11 to φ28
CR4016 φ16 to φ29 φ16 to φ32
CR5014 φ16 to φ31 φ16 to φ35
CR5016 φ18 to φ34 φ18 to φ40
CR5018 φ18 to φ44 φ18 to φ45
CR6018 φ22 to φ56 φ22 to φ56
CR6022 φ28 to φ71 φ28 to φ71
CR8018 φ32 to φ80 φ32 to φ80
CR8022 φ40 to φ97 φ40 to φ100
CR10022 φ45 to φ110 φ45 to φ110
CR12018 φ50 to φ110 φ50 to φ125
CR12022 φ56 to φ140 φ56 to φ140
CR16018 φ63 to φ159 φ63 to φ160
CR16022 φ80 to φ200 φ80 to φ200
CR20018 φ88 to φ205 φ88 to φ205
CR20022 φ98 to φ260 φ98 to φ260
  • Contact a Tsubaki representative for orders of more than 3 sets.