Browning
Browning 40A28 - ANSI 40, 28T A-Plate
Model: 40A28
Browning 40A28 A-plate roller chain sprocket. No hub, plain bore, ANSI #40 (0.5" pitch) chain, 28 teeth. Steel. Plain bore with no keyway or set screws — for custom machining. Meets ANSI B29.1 standard.
Technical Specifications
| ANSI Number | 40 |
| Teeth | 28 |
| Hub Style | Type A |
| Bore Type | Plain/Pilot Bore |
| Bore Size | Pilot |
| Bore Range Max | 2.4375 |
| Hardened Teeth | No |
| Pitch Diameter (in) | 4.466 |
| Outer Diameter (in) | 4.778 |
| Material | Carbon Steel |
| LTB (in) | 0.563 |
| Strand | Single |
| Standard | ANSI B29.1 |
Manufacturer
Browning
Browning (a Regal Rexnord brand) — manufacturer of V-belt sheaves, QD and taper-lock bushings, ANSI roller chain sprockets, and mounted ball and roller bearing units. One of North America's most comprehensive power transmission product lines.
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