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Part Number 170RN51R3, 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
170 mm

Type
N


Dimensions

D - Outer Diameter
265 mm
10.4331 in

C - Inner Ring Width
42 mm
1.6535 in

B - Outer Ring Width
42 mm
1.6535 in


Basic Load Ratings

C0 - Static Radial Rating
521000 N
117000 lbf

C - Dynamic Radial Rating1
391000 N
87800 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
1600 rpm

Cg - Geometry Factor2
0.108
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
184.3 mm
7.2300 in

Da - Outer Ring Backing Diameter
246.1 mm
9.6900 in
1 Maximum shaft fillet radius that bearing corners will clear.



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