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RNA4920
Bearing (Extended Stock)
RNA4920
Bearing (Extended Stock)
ISB Bearing (Extended Stock) with Open seals measuring 63mm bore × 140mm outer diameter × 40mm width. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
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ISB Bearing (Extended Stock) with Open seals measuring 63mm bore × 140mm outer diameter × 40mm width. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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) | 63mm |
| Outer Diameter (D) | 140mm |
| Width (B) | 40mm |
RNA4920
Bearing (Extended Stock)
Technical Specifications
| Part Number | RNA4920 |
| Brand | ISB |
| Bearing Type | Bearing (Extended Stock) |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Bore (Inner Diameter) | 63 mm |
| Outer Diameter | 140 mm |
| Width / Thickness | 40 mm |
Enquire About the ISB RNA4920
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 RNA4920 — dimensions, load ratings, and material data.
ISB Technical Resources
Engineering support
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About the ISB RNA4920
The ISB RNA4920, is a bearing (extended stock), in an open configuration for maximum speed and easy relubrication, featuring a 63mm bore, 140mm outer diameter, and 40mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
ISB Bearing (Extended Stock) with Open seals measuring 63mm bore × 140mm outer diameter × 40mm width. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Key Specifications
The RNA4920 bearing (extended stock) is specified with 63mm bore (inner diameter), 140mm outer diameter, 40mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel (sae 52100) construction provides excellent wear resistance and durability in demanding operating conditions.
Common Applications
Bearing (Extended Stock)s are commonly used in:
Why Buy the RNA4920 from Buy Bearings?
- UK-authorised distributor with genuine ISB 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 RNA4920 bearing?
The RNA4920 is a ISB Bearing (Extended Stock) with a 63mm bore, 140mm outer diameter and 40mm width. It is In Stock at Buy Bearings.
What are the RNA4920 dimensions?
The RNA4920 measures 63mm bore (inner diameter) × 140mm outer diameter × 40mm width.
What does Open mean on a bearing?
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
Is the RNA4920 in stock?
The RNA4920 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same bearing (extended stock), closest dimensions first — useful if you need a slightly different size or this part is unavailable.
Related Parts — Seals & Bushings
Matching seals and bushings for 63mm shaft diameter — complementary components for your bearing.
