BUY BEARINGS.
Back

NSK NJ321W

Cylindrical Roller Bearing

In StockPOA
ISO 9001 Certified Authorised UK Distributor
NSK NJ321W Cylindrical Roller Bearing
NSK
NSK logo

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.

17,000+ parts in stock Next-day UK dispatch UK distributor since 2010
Request a Quote
01709 878282 hello@buybearings.co.uk
ISO 9001 Certified Free UK delivery over £150 30-day returns

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

Product Details

Part NumberNSK NJ321W
BrandNSK
Bearing TypeCylindrical Roller Bearing
Seal TypeOpen
Stock StatusIn Stock

Technical Datasheet

Download full specifications for NSK NJ321W — dimensions, load ratings, and material data.

NSK Technical Resources

HPS High Performance Standard Bearings
No cross-reference part numbers are recorded for NSK NJ321W. Ask our team for equivalent part numbers.
Buy Bearings Support

Engineering support

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
Ben, Buy Bearings engineering support specialist
Speak toBen

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.

NJ321ECM Cylindrical Roller Bearing
NJ321ECM
ISB logo
POAPrice Match
Bore
105
OD
225
Width
49
SealOpen
ISB Cylindrical Roller Bearing with Open seals measuring 105mm bore × 225mm outer diameter × 49mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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.
In Stock
NJ321W Cylindrical Roller Bearing
NJ321W
NSK logo
POAPrice Match
Bore
105
OD
225
Width
49
SealOpen
NSK Cylindrical Roller Bearing with Open seals measuring 105mm bore × 225mm outer diameter × 49mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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.
In Stock
NJ320ECM Cylindrical Roller Bearing
NJ320ECM
ISB logo
POAPrice Match
Bore
100
OD
215
Width
47
SealOpen
ISB Cylindrical Roller Bearing with Open seals measuring 100mm bore × 215mm outer diameter × 47mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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.
In Stock
NJ320ETVP Cylindrical Roller Bearing
NJ320ETVP
FAG logo
POAPrice Match
Bore
100
OD
215
Width
47
SealOpen
FAG Cylindrical Roller Bearing with Open seals measuring 100mm bore × 215mm outer diameter × 47mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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.
In Stock

Related Parts — Seals & Bushings

Matching seals and bushings for 105mm shaft diameter — complementary components for your bearing.

105X130X13 R1 Seals
105X130X13 R1
Unclassified
POAPrice Match
Bore
105
OD
130
Width
13
SealOpen
Unclassified Seals with Open seals. 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.
In Stock
BAU5SLX2 Radial Shaft Seal
BAU5SLX2
Freudenberg logo
POAPrice Match
Bore
105
OD
190
Width
12
SealDouble-lip
Heavy-duty radial shaft seal with an additional protective lip for enhanced exclusion of contaminants in industrial machinery.
Lead Time
SearchCall SalesEmail