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NSK 7311BW
Angular Contact Ball Bearing
NSK 7311BW
Angular Contact Ball Bearing
NSK 7311BW - Angular Contact Ball Bearing - ID 55 OD 120 W 29mm
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NSK 7311BW - Angular Contact Ball Bearing - ID 55 OD 120 W 29mm
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) | 55mm |
| Outer Diameter (D) | 120mm |
| Width (B) | 29mm |
NSK 7311BW
Angular Contact Ball Bearing
Technical Specifications
| Part Number | NSK 7311BW |
| Brand | NSK |
| Bearing Type | Angular Contact Ball Bearing |
| Seal Type | Open |
| Bore (Inner Diameter) | 55 mm |
| Outer Diameter | 120 mm |
| Width / Thickness | 29 mm |
Enquire About the NSK NSK 7311BW
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Technical Datasheet
Download full specifications for NSK 7311BW — dimensions, load ratings, and material data.
NSK Technical Resources
Engineering support
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About the NSK NSK 7311BW
The NSK NSK 7311BW, is a angular contact ball bearing, in an open configuration for maximum speed and easy relubrication, featuring a 55mm bore, 120mm outer diameter, and 29mm width, and is in stock at Buy Bearings.
NSK 7311BW - Angular Contact Ball Bearing - ID 55 OD 120 W 29mm
Key Specifications
The NSK 7311BW angular contact ball bearing is specified with 55mm bore (inner diameter), 120mm outer diameter, 29mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life.
Common Applications
Angular Contact Ball Bearings are commonly used in:
About Angular Contact Ball Bearings
Angular contact ball bearings are designed to handle combined radial and axial loads. Their contact angle allows them to support axial loads in one direction, making them ideal for high-speed and precision applications.
Why Buy the NSK 7311BW from Buy Bearings?
- UK-authorised distributor with genuine NSK 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 NSK 7311BW bearing?
The NSK 7311BW is a NSK Angular Contact Ball Bearing with a 55mm bore, 120mm outer diameter and 29mm width. It is In Stock at Buy Bearings.
What are the NSK 7311BW dimensions?
The NSK 7311BW measures 55mm bore (inner diameter) × 120mm outer diameter × 29mm 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 NSK 7311BW in stock?
The NSK 7311BW is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same angular contact ball bearing, 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 55mm shaft diameter — complementary components for your bearing.
