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Part Number 180RU51R3, Cylindrical Roller Radial Bearings - Single Row Standard

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Specifications  · Dimensions  · Basic Load Ratings  · Factors  · Abutment and Fillet Dimensions

Specifications

Design Units
Metric

d - Bore
180 mm

Type
NU


Dimensions

D - Outer Diameter
280 mm
11.0236 in

C - Inner Ring Width
44 mm
1.7323 in

B - Outer Ring Width
44 mm
1.7323 in


Basic Load Ratings

C0 - Static Radial Rating
560000 N
126000 lbf

C - Dynamic Radial Rating1
419000 N
94200 lbf
1 Based on 1 x 106 L10 life for the ISO life calculation method.


Factors

Reference Thermal Speed Rating (Grease)
1300 rpm

Reference Thermal Speed Rating (Oil)1
1500 rpm

Cg - Geometry Factor2
0.114
1 See thermal speed ratings in the engineering section.
2 Geometry constant for Lubrication Life Adjustment Factor a3l.


Abutment and Fillet Dimensions

r - Outer Ring "To Clear" Radius1
2.5 mm
0.1 in

da - Inner Ring Backing Diameter
196.1 mm
7.7200 in

Da - Outer Ring Backing Diameter
262.7 mm
10.3400 in
1 Maximum shaft fillet radius that bearing corners will clear.



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