British Standard Roller Chain


British Standard Roller Chain
Corrosion-resistant nickel-plated 3/4 inch pitch simplex chain for use in damp or mildly corrosive environments.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Corrosion-resistant nickel-plated 3/4 inch pitch simplex chain for use in damp or mildly corrosive environments.
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) | 19.05mm |
| Outer Diameter (D) | 12.07mm |
| Width (B) | 11.68mm |
| Part Number | 12B-1NP |
| Brand | iwis |
| Bearing Type | British Standard Roller Chain |
| Material | Nickel-Plated Steel |
| Stock Status | Extended Stock |
Download full specifications for 12B-1NP — dimensions, load ratings, and material data.
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
The 12B-1NP is a iwis British Standard Roller Chain with a 19.05mm bore, 12.07mm outer diameter and 11.68mm width. It is Extended Stock at Buy Bearings.
The 12B-1NP measures 19.05mm bore (inner diameter) × 12.07mm outer diameter × 11.68mm width.
The 12B-1NP is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Same british standard roller chain, closest dimensions first — useful if you need a slightly different size or this part is unavailable.







