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All Product Types > ENGINEERED BEARINGS > Cylindrical Roller Bearings > Cylindrical Roller Radial Bearings - Two-Row > Part Number NNU4076MAW33  
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Part Number NNU4076MAW33, Cylindrical Roller Radial Bearings - Two-Row



  • 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.




Unit of Measure: Imperial Metric Both

Specifications  · Bearing Dimensions  · Mounting Data  · Lubrication Data

Specifications

Bore d

380 mm

Static Load Rating Co

5860000 N
1316000
lbf

Dynamic Load Rating C11

3260000 N
733000
lbf

Geometry Factor Cg2

0.2560

Thermal Speed Ratings - Oil

530 rpm

Thermal Speed Ratings - Grease

480 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

560 mm
22.0472
in

Width B

180 mm
7.0866
in

DUR/DOR F/E

425 mm
16.7323
in


Mounting Data

Chamfer rsmin

5 mm
0.200
in

Chamfer r1smin1

5 mm
0.200
in

Backing Shaft Diameter ds

415 mm
16.3400
in

Backing Housing Diameter Ds

525 mm
20.6700
in
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.


Lubrication Data

Lubrication Groove g

19.3 mm
0.76
in

Lubrication Hole Diameter h

9.5 mm
0.37
in

Number of Lubrication Holes

10

Dimension S1

7.90 mm
0.310
in
1 Permissible axial displacement from normal position of one bearing ring in relation to the other.


 MORE IMAGES 

·  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


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