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Part Number 220RIU92R3, 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
220 mm

Type
NU


Dimensions

D - Outer Diameter
400 mm
15.748 in

C - Inner Ring Width
133.35 mm
5-1/4 in

B - Outer Ring Width
133.35 mm
5.2500 in


Basic Load Ratings

C0 - Static Radial Rating
3230000 N
727000 lbf

C - Dynamic Radial Rating1
2010000 N
452000 lbf
1 Based on 1 x 106 L10 life for the ISO life calculation method.


Factors

Reference Thermal Speed Rating (Grease)
810 rpm

Reference Thermal Speed Rating (Oil)1
880 rpm

Cg - Geometry Factor2
0.180
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
3 mm
0.12 in

da - Inner Ring Backing Diameter
252.4 mm
9.9400 in

Da - Outer Ring Backing Diameter
368.3 mm
14.5000 in
1 Maximum shaft fillet radius that bearing corners will clear.



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