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100mm Bore Cylindrical Roller Bearing NU 420 / NU 420 M Single Row 250mm

Product Details
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Product Description

100mm Bore Cylindrical Roller Bearing NU 420 / NU 420 M Single Row


Cylindrical roller bearing are of high load capacity and can operate at high speeds because they use rollers as their rolling elements. They can therefore be used in applications involving heavy radial and impact loading.

The rollers are cylindrical in shape and crowned at the end in order to reduce the stress concentrations. They are also suitable for applications that require high speed because the rollers are guided by ribs which are either on the outer or inner ring.




High load carrying capacity

High stiffness

Accommodate axial displacement
Except for bearings with flanges on both the inner and outer rings.

Low friction (Roller end / flange contact area)
The open flange design , together with the roller end design and surface finish, promote lubricant film formation resulting in lower friction and higher axial load carrying capacity.

Long service life
The logarithmic roller profile reduces edge stresses at the roller/raceway contact and sensitivity to misalignment and shaft deflection.

Enhanced operational reliability
The surface finish on the contact surfaces of the rollers and raceways supports the formation of a hydrodynamic lubricant film.

Separable and interchangeable
The separable components of SKF cylindrical roller bearings are interchangeable . This facilitates mounting and dismounting, as well as maintenance inspections.

Model:NU 420, NU 420 M


Bore Size:100mm

Outside Diameter:250mm



Basic Dynamic Load Rating:429kN

Basic Static Load Rating:475kN

Material of Rings and Balls: Chrome steel,Carbon steel, Stainless steel

Cage Material: Brass,Steel,Nylon


Package: Usually made by plastic tube+anti-rust paper+box+carton

Terms of Payment: T/T(30% deposit in advance), Irrevocable L/C at sight, Western Union

Delivery Time: 3-25 days, according to the order quantity


Application: motor, locomotives, autos,spindle,equipment, internal combustion engine, generator, gas turbines, reducer, rolling mill, vibrating screen and lifting transportation machinery, etc.


Single row: NU, NJ, NUP, N, NCF and NJG designs

Double row: NNU, NN and NNF designs


Quick description:


Bearing Model NU 420
Type Cylindrical Roller Bearing
Bore Size (mm) 100
Outside Diameter (mm) 250
Width (mm) 58
Mass (kg) 14
Material Chrome Steel, Carbon steel, Stainless steel
Cage Material Steel
Number of Row Single Row
Precision Rating P5. P6
Basic Dynamic Load Rating (Cr) 429 kN
Basic Static Load Rating (Cor) 475 kN
Limiting Speed 3600 r/min