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Part Number 440RU30OA107R3, 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

440 mm

Type

NU


Dimensions

D - Outer Diameter

650 mm
25.5906
in

C - Inner Ring Width

157 mm
6.1811
in

B - Outer Ring Width

157 mm
6.1811
in


Basic Load Ratings

C0 - Static Radial Rating

7270000 N
1630000
lbf

C - Dynamic Radial Rating1

3660000 N
823000
lbf
1 Based on 1 x 106 L10 life for the ISO life calculation method.


Factors

Reference Thermal Speed Rating (Grease)

350 rpm

Reference Thermal Speed Rating (Oil)1

380 rpm

Cg - Geometry Factor2

0.2737
1 See thermal speed ratings in the engineering section.
2 Geometry constant for Lubrication Life Adjustment Factor a3l.


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1

6.4 mm
0.300
in

r - Outer Ring "To Clear" Radius2

6.4 mm
0.300
in

da - Inner Ring Backing Diameter

476 mm
18.7000
in

Da - Outer Ring Backing Diameter

613 mm
24.1000
in
1 Maximum housing fillet radius that bearing corners will clear.
2 Maximum shaft fillet radius that bearing corners will clear.



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