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ANSI Standard Roller Chain


ANSI Standard Roller Chain
ANSI G8 standard single-strand roller chain with a 1/2 inch pitch, featuring high-precision components for reliable power transmission.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
ANSI G8 standard single-strand roller chain with a 1/2 inch pitch, featuring high-precision components for reliable power transmission.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Confirm these values match your shaft, housing and application requirements before ordering.
| Bore Diameter (d) | 12.7mm |
| Outer Diameter (D) | 7.92mm |
| Width (B) | 7.95mm |
| Weight | 0.64kg |

ANSI Standard Roller Chain
| Part Number | RS40 |
| Brand | Tsubaki |
| Bearing Type | ANSI Standard Roller Chain |
| Material | Carbon Steel |
| Bore (Inner Diameter) | 12.7 mm |
| Outer Diameter | 7.92 mm |
| Width / Thickness | 7.95 mm |
| Approximate Weight | 0.64 kg |
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The Tsubaki RS40, is a ansi standard roller chain, featuring a 12.7mm bore, 7.92mm outer diameter, and 7.95mm width, manufactured from carbon steel, and is extended stock at Buy Bearings.
ANSI G8 standard single-strand roller chain with a 1/2 inch pitch, featuring high-precision components for reliable power transmission.
The RS40 ansi standard roller chain is specified with 12.7mm bore (inner diameter), 7.92mm outer diameter, 7.95mm width, 0.64kg approximate weight. The carbon steel construction provides excellent wear resistance and durability in demanding operating conditions.
ANSI Standard Roller Chains are commonly used in:
The RS40 is a Tsubaki ANSI Standard Roller Chain with a 12.7mm bore, 7.92mm outer diameter and 7.95mm width. It is Extended Stock at Buy Bearings.
The RS40 measures 12.7mm bore (inner diameter) × 7.92mm outer diameter × 7.95mm width.
The RS40 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).