20B-1
British Standard Roller Chain
20B-1
British Standard Roller Chain
Large pitch simplex chain for high-torque power transmission in heavy industrial plant equipment.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Large pitch simplex chain for high-torque power transmission in heavy industrial plant equipment.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 31.75mm |
| Outer Diameter (D) | 19.05mm |
| Width (B) | 19.56mm |
| Weight | 3.6kg |
Load & Speed Ratings
| Static Load Rating (C0r) | 95kN |
Product Details
| Part Number | 20B-1 |
| Brand | Regina |
| Bearing Type | British Standard Roller Chain |
| Material | Carbon Steel |
| Stock Status | Extended Stock |
Technical Datasheet
Download full specifications for 20B-1 — dimensions, load ratings, and material data.
Engineering support
Our experienced MRO products specialists are on hand to offer practical solutions to your problems and can assist with an on-site visit.
Call us01709 878282
Frequently Asked Questions
What is a 20B-1 bearing?
The 20B-1 is a Regina British Standard Roller Chain with a 31.75mm bore, 19.05mm outer diameter and 19.56mm width. It is Extended Stock at Buy Bearings.
What are the 20B-1 dimensions?
The 20B-1 measures 31.75mm bore (inner diameter) × 19.05mm outer diameter × 19.56mm width.
Is the 20B-1 in stock?
The 20B-1 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same british standard roller chain, closest dimensions first — useful if you need a slightly different size or this part is unavailable.
