All Product Types > ENGINEERED BEARINGS > Cylindrical Roller Bearings > Cylindrical Roller Radial Bearings - Two-Row > Part Number NNU4940MAW33  

Part Number NNU4940MAW33, Cylindrical Roller Radial Bearings - Two-Row

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  • Additional radial load-carrying capability compared to single-row product.
  • Designed to ISO/DIN specified interchangeable dimensions.
  • Sold as complete assembly.

NNU-1
  • Outer rings with solid ribs.
  • Lubrication grooves and holes on outer rings.
  • One solid brass cage.

The radial internal clearance (RIC) for the bearing assembly must be included when ordering the complete assembly.




Specifications  · Bearing Dimensions  · Mounting Data  · Lubrication Data

Specifications

Bore d
200 mm

Static Load Rating Co
1046000 N
234000 lbf

Dynamic Load Rating C11
550000 N
124000 lbf

Geometry Factor Cg2
0.147

Thermal Speed Ratings - Oil
1500 rpm

Thermal Speed Ratings - Grease
1300 rpm
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
2 Cg factor for bearing without inner ring.


Bearing Dimensions

O.D. D
280 mm
11.0236 in

Width B
80 mm
3.1496 in

DUR/DOR F/E
225 mm
8.8583 in


Mounting Data

Chamfer rsmin
2.1 mm
0.08 in

Chamfer r1smin1
2.1 mm
0.080 in

Backing Shaft Diameter ds
220 mm
8.6600 in

Backing Housing Diameter Ds
259 mm
10.2000 in
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.


Lubrication Data

Lubrication Groove g
12.3 mm
0.48 in

Lubrication Hole Diameter h
6.0 mm
0.24 in

Number of Lubrication Holes
6

Dimension S1
3.90 mm
0.150 in
1 Permissible axial displacement from normal position of one bearing ring in relation to the other.


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·  timken-CRB-NN-Brass-Cage-Large-left-angle-view

·  timken-CRB-NN-Brass-Cage-Large-cutaway-view

·  timken-CRB-NN-Brass-Cage-Large-top-angle-view



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Catalog and Technical Information - Cylindrical Roller Bearings