All Product Types > ENGINEERED BEARINGS > Cylindrical Roller Bearings > Cylindrical Roller Radial Bearings - Two-Row > Part Number NNU4952MAW33  

Part Number NNU4952MAW33, 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
260 mm

Static Load Rating Co
1710000 N
385000 lbf

Dynamic Load Rating C11
856000 N
192000 lbf

Geometry Factor Cg2
0.1810

Thermal Speed Ratings - Oil
1100 rpm

Thermal Speed Ratings - Grease
950 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
360 mm
14.1732 in

Width B
100 mm
3.937 in

DUR/DOR F/E
292 mm
11.4961 in


Mounting Data

Chamfer rsmin
2.1 mm
0.08 in

Chamfer r1smin1
2.1 mm
0.080 in

Backing Shaft Diameter ds
287.8 mm
11.3300 in

Backing Housing Diameter Ds
334 mm
13.1500 in
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.


Lubrication Data

Lubrication Groove g
16.0 mm
0.63 in

Lubrication Hole Diameter h
7.5 mm
0.30 in

Number of Lubrication Holes
6

Dimension S1
4.40 mm
0.170 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