Description
Tsubaki single-strand roller chain sprockets, steel, one-side hub, fixed finished bore with keyway and two set screws, black oxide finish. Six models: No. 35 chain (3/8 in pitch), No. 40 (1/2 in pitch) and No. 50 (5/8 in pitch), from 9 to 20 teeth, with the bores listed in the table. Sold individually. The photo shows one model of the family (40B16F-5/8).
Features
- For single-strand No. 35, 40 or 50 chain depending on the model (pitch listed in the table)
- One-side hub, fixed bore with keyway; the listing does not mention a supplied key: check before ordering
- Two set screws included, 90° from the keyway
- Steel, grade 1045 per the listing, black oxide finish
- Detailed dimensions in the table
Specifications
| Specification | Value |
|---|---|
| Brand | Tsubaki |
| Type | Single-strand roller chain sprocket |
| Hub type | One side |
| Bore type | Fixed, with keyway |
| Material | Steel (grade 1045) |
| Finish | Black oxide |
| Set screws | 2, 90° from keyway |
| Sold as | 1 sprocket |
Details by model
| Part number | Chain No. | Chain pitch | Teeth | Bore | Outside diameter | Pitch diameter | Hub diameter | Length through bore | Set screw size | Shipping weight (lb) |
|---|---|---|---|---|---|---|---|---|---|---|
| 35B9F-3/8 | 35 | 3/8 in | 9 | 3/8 in | 1.26 in | 1.097 in | 7/8 in | 3/4 in | 5/32 in | 0.05 |
| 40B16F-5/8 | 40 | 1/2 in | 16 | 5/8 in | 2.81 in | 2.563 in | 2 in | 7/8 in | 1/4 in | 0.85 |
| 40B16F-3/4 | 40 | 1/2 in | 16 | 3/4 in | 2.81 in | 2.563 in | 2 in | 7/8 in | 1/4 in | 0.8 |
| 40B14F-1 | 40 | 1/2 in | 14 | 1 in | 2.49 in | 2.247 in | 1 11/16 in | 7/8 in | 5/16 in | 0.45 |
| 40B18F-1 | 40 | 1/2 in | 18 | 1 in | 3.14 in | 2.879 in | 2 5/16 in | 1 in | 5/16 in | 0.95 |
| 50B20F-1 | 50 | 5/8 in | 20 | 1 in | 4.32 in | 3.995 in | 3 in | 1 in | 5/16 in | 2.5 |
References
| Manufacturer part number (MPN) | Big Papa SKU |
|---|---|
| 35B9F-3/8 | BP-G-TSU-35B9F-3-8 |
| 40B16F-5/8 | BP-G-TSU-40B16F-5-8 |
| 40B16F-3/4 | BP-G-TSU-40B16F-3-4 |
| 40B14F-1 | BP-G-TSU-40B14F-1 |
| 40B18F-1 | BP-G-TSU-40B18F-1 |
| 50B20F-1 | BP-G-TSU-50B20F-1 |

