Technical Specifications
| Teeth range | 9 – 80 |
| Pitch range | 6.35 – 50.8 mm |
| Standards | ANSI 40–200; DIN/ISO 08A–20B |
| Tooth profile | Standard roller-chain profile (A / B series) |
| Material | 45# steel, 40Cr, S45C, SCM440, QT600-3 ductile iron, SS 304/316, nylon |
| Heat treatment | Induction hardened teeth HRC45–55 |
| Accuracy | GB class 6–8 |
| Bore | Machined to customer requirement (keyway, set-screw holes) |
Manufacturing Process
- Sprocket hobbing
- CNC milling / shaping
- CNC turning (bore / face)
- Induction hardening
- Keyway / set-screw holes
Key Features
- Fits A / B series standard chains
- Duplex / multiplex available
- Induction hardened wear-resistant teeth
- Bore and keyway machined to drawing
Applications
- General transmission
- Conveying machinery
- High-power drives
- Agricultural and special equipment
Sprocket Types
Choose the sprocket type by application and construction.
| Type | Description | Standards | Typical application |
|---|---|---|---|
| Drive sprockets | Roller-chain sprockets for A/B series standard chains | ANSI / DIN / ISO / GB | General transmission |
| Conveyor sprockets | Double-pitch sprockets, flat-top chain sprockets | ANSI / DIN / ISO / GB | Conveying machinery |
| Duplex / multi-strand | Duplex / triplex / multi-strand for high power | ANSI / DIN / ISO / GB | High-power drives |
| Custom sprockets | Agricultural and special sprockets to drawing | Customer drawing | Agricultural / special equipment |
Common Standard Series
ANSI and DIN/ISO mainstream series, pitch 6.35–50.8mm.
| System | Common series |
|---|---|
| ANSI | 40, 50, 60, 80, 100, 120, 140, 160, 180, 200 |
| DIN / ISO | 08A, 08B, 10A, 10B, 12A, 12B, 16A, 16B, 20A, 20B |
Roller Chains
A / B series roller chains, simplex / duplex / multiplex.
| Chain type | Pitch p (mm) | Roller dia. d₁ | Inner width b₁ | Breaking load | Plate thickness | Material | Standard |
|---|---|---|---|---|---|---|---|
| 08B-1 | 12.7 | 8.51 | 7.75 | 18.0 kN | 1.3 mm | 40Cr / 45# | DIN / ISO |
| 16A-1 | 25.4 | 15.88 | 15.88 | 55.6 kN | 2.0 mm | 40Cr / 45# | ANSI / ISO |
A-series and B-series roller chains, pitch 6.35–50.8mm (extendable); simplex / duplex / multiplex available.
Manufacturing Capability
Dedicated machines ensure tooth accuracy and batch consistency.
| Operation | Max. workpiece dia. | Pitch p (mm) | Teeth range | Tolerance |
|---|---|---|---|---|
| Hobbing | φ500mm | to 50.8mm | 9–80 | GB 6–8 |
| CNC gear milling | φ500mm | to 50.8mm | 9–80 | GB 6–8 |
| Shaping | φ400mm | to 50.8mm | 9–80 | GB 7–8 |
| CNC turning | φ500mm | — | — | IT6–7 |
| Wire-cut EDM | φ300mm | — | — | IT6–7 |
Related Transmission Parts
Racks, sprockets, timing pulleys and couplings — one-stop supply.
- Couplings: flexible / rigid / diaphragm
- Timing pulleys: HTD / STD / GT / XL / L / H series
- Gear racks: five precision series (ground DIN 6h25)
Need sprocket or chain selection?
Send your drawing or chain model for a free quote and selection advice.
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