Tsubaki 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
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
* Yellow highlighted areas are expanded models.
* Please order the body and casing separately.
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
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.
