CHR #40 Roller Chain, 21 Tooth, 1/2" Pitch, 3/4" Bore, 0.188" Keyway, Carbon Steel, B-Type Hub, 3.622" OD - ISO 9001-2000 Certified
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- Sprocket Size: 40B21, 21 Teeth, 1/2" (12.7mm) Pitch (#40), 3/4" (19.1mm) Bore Diameter, 0.188" (4.78mm) Keyway, B-Type Hub, fits standard ANSI #40 roller chains.
- Material: Carbon steel body, engineered for strength and wear resistance; delivers smooth and reliable chain engagement in industrial settings.
- Dimensions: 3.622" (92mm) Outer Diameter (O.D), 2.756" (70mm) Hub Diameter, 1" (25.4mm) Total Thickness, 0.28" (7.11mm) Tooth Thickness, 0.751" (19.08mm) Bolt Circle.
- Compatibility: For use with ANSI #40 roller chains in power transmission, automation, machinery, manufacturing, and mechanical drive systems.
- Mounting: Fixed-position shaft mounting recommended; ensure minimum 3-teeth chain engagement for stable performance.
Estimated shipping
Select a product to estimate shipping.Easy Setup & Secure Fit
Pre-drilled holes allow quick installation on any surface, ensuring a stable and secure mount without the need for additional drilling.
Durable Carbon Steel
Engineered from premium carbon steel for superior strength, wear resistance, and long service life, even under heavy loads and continuous operation.
Protective Black Treatment
Finished with an anti-corrosion black oxide coating that enhances durability and provides resistance against rust, moisture, and wear.
Identification Marking
Each sprocket is clearly stamped with its size and model number, making it easy to identify, match, and replace during maintenance or assembly.
Product details
| Main Specification | |
|---|---|
| Manufacturer | CHR - PRECISION IN DETAIL |
| Brand | CHR PRECISION IN DETAIL |
| Item Weight | 1.46 Pounds |
| Product information | |
| Package Dimensions | 6.65 x 3.31 x 1.69 inches |
| Others | |
| Date First Available | 2024 or June 27 |
| Product Type | Roller Chain Sprockets |