12B-3
British Standard Roller Chain
12B-3
British Standard Roller Chain
High-capacity triplex chain for critical industrial drives and heavy machinery 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.
High-capacity triplex chain for critical industrial drives and heavy machinery 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.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 19.05mm |
| Outer Diameter (D) | 12.07mm |
| Width (B) | 11.68mm |
| Weight | 3.8kg |
Load & Speed Ratings
| Static Load Rating (C0r) | 86.7kN |
Product Details
| Part Number | 12B-3 |
| Brand | Regina |
| Bearing Type | British Standard Roller Chain |
| Material | Carbon Steel |
| Stock Status | Extended Stock |
Technical Datasheet
Download full specifications for 12B-3 — 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 12B-3 bearing?
The 12B-3 is a Regina British Standard Roller Chain with a 19.05mm bore, 12.07mm outer diameter and 11.68mm width. It is Extended Stock at Buy Bearings.
What are the 12B-3 dimensions?
The 12B-3 measures 19.05mm bore (inner diameter) × 12.07mm outer diameter × 11.68mm width.
Is the 12B-3 in stock?
The 12B-3 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.
