TSUBAKI Double Pitch Chain Sprockets
Pilot Bore Series Double Pitch Chain Sprockets
The shaft hole is the pilot bore, and so will require finishing before use.
*For S rollers, when the number of teeth is calculated at more than 30T use a standard RS sprocket.
Steel type
[Available chain sizes] S roller：RF2040 to RF2160, R roller: RF2040 to RF2100
Stainless steel type
[Available chain sizes] S roller：RF2040 to RF2160, R roller: RF2040 to RF2080
Plastic type
[Available chain sizes] S roller：RF2040 to RF2060
Steel type
- Conforms to JIS standards, with quick delivery of sizes/teeth numbers used often.
- Uses carbon steel for machine structural use, and all models have unhardened teeth.
- [Available chain sizes] S roller：RF2040 to RF2160, R roller: RF2040 to RF2100
Reference Number System
| RF2040S | – | 1B | 912T |
| (1) | (2) | (3) |
(1) Chain number
(2) Other size and hub types: 1 = Single strand, B = B type
(3) Working no. of teeth: 912T = 9 and 1/2T (when working number of teeth is 10T, this is indicated as 1000T)
Dimensions and Specifications
S roller
| Chain size | No. of teeth | Chain size | No. of teeth | Chain size | No. of teeth | Chain size | No. of teeth | Chain size | No. of teeth |
|---|---|---|---|---|---|---|---|---|---|
| RF2040S-1B | 912T | RF2050S-1B | 912T | RF2060S-1B | 912T | RF2080S-1B | 912T | RF2100S-1B | 912T |
| 1012T | 1012T | 1112T | 1012T | RF2120S-1B | 912T | ||||
| 1112T | 1112T | 1012T | 1112T | RF2160S-1B | 912T | ||||
| 1200T | 1200T | 1200T | 1200T | ||||||
| 1212T | 1212T | 1212T | 1212T |
R roller:
| Chain size | No. of teeth | Chain size | No. of teeth | Chain size | No. of teeth | Chain size | No. of teeth | Chain size | No. of teeth |
|---|---|---|---|---|---|---|---|---|---|
| RF2040R-1B | 1000T | RF2050R-1B | 1000T | RF2060R-1B | 1000T | RF2080R-1B | 1000T | RF2100R-1B | 1100T |
| 1100T | 1100T | 1100T | 1100T | RF2120R-1B | 1100T | ||||
| 1200T | 1200T | 1200T | 1200T | RF2160R-1B | 1100T | ||||
| 1300T | 1300T | 1300T | 1300T | ||||||
| 1400T | 1400T | 1400T | 1400T | ||||||
| 1500T | 1500T | 1500T | 1500T | ||||||
| 1600T | 1600T | 1600T | 1600T |
Stainless steel type
- Uses austenitic stainless steel with excellent corrosion resistance and can withstand high temperatures, so it finds use in high and low temperature environments.
- [Available chain sizes] S roller：RF2040 to RF2160, R roller: RF2040 to RF2080
Reference Number System
| RF2040S | – | 1B | 912T | – | SS |
| (1) | (2) | (3) | (4) |
(1) Chain number
(2) Other size and hub types: 1 = Single strand, B = B type
(3) Working no. of teeth: 912T = 9 and 1/2T (when working number of teeth is 10T, this is indicated as 1000T)
(4) Material: SS = Stainless steel
Dimensions and Specifications
| Model No. | Model No. | Model No. | Model No. |
|---|---|---|---|
| RF2040S-1B912T-SS | RF2050S-1B912T-SS | RF2060S-1B912T-SS | RF2080S-1B912T-SS |
| RF2040S-1B1012T-SS | RF2050S-1B1012T-SS | RF2060S-1B1012T-SS | RF2080S-1B1012T-SS |
| RF2040S-1B1112T-SS | RF2050S-1B1112T-SS | RF2060S-1B1112T-SS | RF2080S-1B1112T-SS |
| RF2040S-1B1200T-SS | RF2050S-1B1200T-SS | RF2060S-1B1200T-SS | RF2080S-1B1200T-SS |
| RF2040S-1B1212T-SS | RF2050S-1B1212T-SS | RF2060S-1B1212T-SS | RF2080S-1B1212T-SS |
| Model No. | Model No. | Model No. | |
| RF2100S-1B912T-SS | RF2120S-1B912T-SS | RF2160S-1B912T-SS |
R roller
| Model No. | Model No. | Model No. | Model No. |
|---|---|---|---|
| RF2040R-1B1000T-SS | RF2050R-1B1000T-SS | RF2060R-1B1000T-SS | RF2080R-1B1000T-SS |
| RF2040R-1B1100T-SS | RF2050R-1B1100T-SS | RF2060R-1B1100T-SS | RF2080R-1B1100T-SS |
| RF2040R-1B1200T-SS | RF2050R-1B1200T-SS | RF2060R-1B1200T-SS | RF2080R-1B1200T-SS |
| RF2040R-1B1300T-SS | RF2050R-1B1300T-SS | RF2060R-1B1300T-SS | RF2080R-1B1300T-SS |
| RF2040R-1B1400T-SS | RF2050R-1B1400T-SS | RF2060R-1B1400T-SS | RF2080R-1B1400T-SS |
| RF2040R-1B1500T-SS | RF2050R-1B1500T-SS | RF2060R-1B1500T-SS | RF2080R-1B1500T-SS |
| RF2040R-1B1600T-SS | RF2050R-1B1600T-SS | RF2060R-1B1600T-SS | RF2080R-1B1600T-SS |
Plastic type
- Engineering plastic sprockets use a nylon-based plastic and can be used with no additional lubrication.
- [Available chain sizes] S roller：RF2040 to RF2060
Usage conditions of plastic type sprockets
Operating temperature
Temperature range is from -10ºC up to 60ºC.
Allowable chain speed
Less than 70m/min recommended under non-lubricated conditions, and can be used up to 150m/min in lubricated conditions.
Material
Uses a navy MC901nylon-based plastic.
Reference Number System
| RF2040S | – | 1B | 912T | – | P |
| (1) | (2) | (3) | (4) |
(1) Chain number
(2) Other size and hub types: 1 = Single strand, B = B type
(3) Working no. of teeth: 912T = 9 and 1/2T (when working number of teeth is 10T, this is indicated as 1000T)
(4) Material: P = Engineering plastic
Dimensions and Specifications
S roller
| Model No. | Model No. | Model No. |
|---|---|---|
| RF2040S-1B912T-P | RF2050S-1B912T-P | >RF2060S-1B912T-P |
| RF2040S-1B1012T-P | RF2050S-1B1012T-P | RF2060S-1B1012T-P |
| RF2040S-1B1112T-P | RF2050S-1B1112T-P | RF2060S-1B1112T-P |
| RF2040S-1B1212T-P | RF2050S-1B1212T-P | RF2060S-1B1212T-P |
