Sprockets for TT Series stainless steel Top Chain.
- Steel sprockets (plain bore)
- Steel Lock Series sprockets
- Engineering plastic sprockets
- Sprockets for Top Chains
Sprockets for TT Chain
1. Line-up
| Classification | Steel Sprockets | Engineering Plastic Sprockets | |
|---|---|---|---|
| Type | Solid Sprockets | Split Sprockets | |
| Type | Plain bore | Lock Series | Keyway specifications: ISO 773 - DIN 6885 key seat |
| Basic model no. | TT**T | TT**T-S | TP-C**NT-SPR |
| Applicable chains | TT Series | ||
| Shape |
 |
 |
|
| Material | Machine-structural carbon steel |
Body: Reinforced polyamide
Nuts = Nickel plated brass Bolts = Stainless steel |
|
| Actual no. of teeth | 19, 21, 23, 25 | 21, 23, 25 | |
| Effective no. of teeth | 9-1/2, 10-1/2, 11-1/2, 12-1/2 | 10-1/2, 11-1/2, 12-1/2 | |
- Sprockets with an effective no. of teeth as 9-1/2 are made-to-order products.
- Steel sprockets do not use hardened teeth.
2．Model Numbering Example
Steel Sprockets
- (1) Type
- (2) Effective no. of teeth: (Ex.) 1012T = 10-1/2
- (3) Bore diameter: mm (Not available with plain bores)
Engineering Plastic Sprockets
- (1) Type
