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20B-1
British Standard Roller Chain
20B-1
British Standard Roller Chain
Large-pitch simplex roller chain for high-torque industrial applications and heavy conveyor technology.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Need pricing for this part?
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
Large-pitch simplex roller chain for high-torque industrial applications and heavy conveyor technology.
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 |
20B-1
British Standard Roller Chain
Technical Specifications
| Part Number | 20B-1 |
| Brand | iwis |
| Bearing Type | British Standard Roller Chain |
| Material | Carbon Steel |
| Bore (Inner Diameter) | 31.75 mm |
| Outer Diameter | 19.05 mm |
| Width / Thickness | 19.56 mm |
Enquire About the iwis 20B-1
Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.
Technical Datasheet
Download full specifications for 20B-1 — dimensions, load ratings, and material data.
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About the iwis 20B-1
The iwis 20B-1, is a british standard roller chain, featuring a 31.75mm bore, 19.05mm outer diameter, and 19.56mm width, manufactured from carbon steel, and is extended stock at Buy Bearings.
Large-pitch simplex roller chain for high-torque industrial applications and heavy conveyor technology.
Key Specifications
The 20B-1 british standard roller chain is specified with 31.75mm bore (inner diameter), 19.05mm outer diameter, 19.56mm width. The carbon steel construction provides excellent wear resistance and durability in demanding operating conditions.
Common Applications
British Standard Roller Chains are commonly used in:
Why Buy the 20B-1 from Buy Bearings?
- UK-authorised distributor with genuine iwis products
- Expert technical support from our engineering team
- Competitive pricing with fast UK dispatch
- Full technical datasheet and cross-reference support
- 30-day returns on standard products
Frequently Asked Questions
What is a 20B-1 bearing?
The 20B-1 is a iwis 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.
