All Product Types > ENGINEERED BEARINGS > Cylindrical Roller Bearings > Cylindrical Roller Radial Bearings - Two-Row > Part Number NNU4936MAW33  

Part Number NNU4936MAW33, 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
180 mm

Static Load Rating Co
850000 N
191000 lbf

Dynamic Load Rating C11
449000 N
101000 lbf

Geometry Factor Cg2
0.136

Thermal Speed Ratings - Oil
1700 rpm

Thermal Speed Ratings - Grease
1500 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
250 mm
9.8425 in

Width B
69 mm
2.7165 in

DUR/DOR F/E
202 mm
7.9528 in


Mounting Data

Chamfer rsmin
2 mm
0.08 in

Chamfer r1smin1
2 mm
0.080 in

Backing Shaft Diameter ds
198 mm
7.8000 in

Backing Housing Diameter Ds
232 mm
9.1300 in
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.


Lubrication Data

Lubrication Groove g
9.6 mm
0.38 in

Lubrication Hole Diameter h
4.5 mm
0.18 in

Number of Lubrication Holes
6

Dimension S1
3.40 mm
0.130 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