All Product Types > ENGINEERED BEARINGS > Cylindrical Roller Bearings > Cylindrical Roller Radial Bearings - Two-Row > Part Number NNU4984MAW33  

Part Number NNU4984MAW33, Cylindrical Roller Radial Bearings - Two-Row

    Download PDF Download PDF   
    border="0" Printable Page  
    Email Email This Page  
    Save To Favorites Save To Favorites
  

  • 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
420 mm

Static Load Rating Co
4140000 N
928000 lbf

Dynamic Load Rating C11
1750000 N
394000 lbf

Geometry Factor Cg2
0.2650

Thermal Speed Ratings - Oil
560 rpm

Thermal Speed Ratings - Grease
500 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
140 mm
5.5118 in

DUR/DOR F/E
466 mm
18.3465 in


Mounting Data

Chamfer rsmin
4 mm
0.16 in

Chamfer r1smin1
4 mm
0.160 in

Backing Shaft Diameter ds
456.4 mm
17.9700 in

Backing Housing Diameter Ds
522 mm
20.5500 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
5.90 mm
0.230 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



 DOWNLOADS 

Catalog and Technical Information - Cylindrical Roller Bearings