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NSK NJ321W
Cylindrical Roller Bearing
NSK NJ321W
Cylindrical Roller Bearing
NSK NJ321W - Cylindrical Roller Bearing - ID 105 OD 225 W 49mm
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NSK NJ321W - Cylindrical Roller Bearing - ID 105 OD 225 W 49mm
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) | 105mm |
| Outer Diameter (D) | 225mm |
| Width (B) | 49mm |
NSK NJ321W
Cylindrical Roller Bearing
Technical Specifications
| Part Number | NSK NJ321W |
| Brand | NSK |
| Bearing Type | Cylindrical Roller Bearing |
| Seal Type | Open |
| Bore (Inner Diameter) | 105 mm |
| Outer Diameter | 225 mm |
| Width / Thickness | 49 mm |
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Technical Datasheet
Download full specifications for NSK NJ321W — dimensions, load ratings, and material data.
NSK Technical Resources
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About the NSK NSK NJ321W
The NSK NSK NJ321W, is a cylindrical roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 105mm bore, 225mm outer diameter, and 49mm width, and is in stock at Buy Bearings.
NSK NJ321W - Cylindrical Roller Bearing - ID 105 OD 225 W 49mm
Key Specifications
The NSK NJ321W cylindrical roller bearing is specified with 105mm bore (inner diameter), 225mm outer diameter, 49mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life.
Common Applications
Cylindrical Roller Bearings are commonly used in:
About Cylindrical Roller Bearings
Cylindrical roller bearings use cylindrical rollers to handle high radial loads. They are suitable for high-speed applications and can accommodate axial displacement of the shaft relative to the housing.
Why Buy the NSK NJ321W 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 NJ321W bearing?
The NSK NJ321W is a NSK Cylindrical Roller Bearing with a 105mm bore, 225mm outer diameter and 49mm width. It is In Stock at Buy Bearings.
What are the NSK NJ321W dimensions?
The NSK NJ321W measures 105mm bore (inner diameter) × 225mm outer diameter × 49mm 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 NJ321W in stock?
The NSK NJ321W is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same cylindrical roller 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 105mm shaft diameter — complementary components for your bearing.
