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Part Number NU1028MA, Cylindrical Roller Radial Bearings - Single Row ISO


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

Specifications

Design Units

Metric

d - Bore

140 mm

Type

NU


Dimensions

D - Outer Diameter

210 mm
8.2677
in

C - Inner Ring Width

33 mm
1.2992
in

B - Outer Ring Width

33 mm
1.2992
in


Basic Load Ratings

C0 - Static Radial Rating

263000 N
59200
lbf

C - Dynamic Radial Rating1

201000 N
45200
lbf
1 Based on 1 X 106 L10 life for the ISO life calculation method.


Factors

Reference Thermal Speed Rating (Grease)

2700 rpm

Reference Thermal Speed Rating (Oil)1

3300 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 - Inner Ring "To Clear" Radius1

2 mm
0.080
in

r - Outer Ring "To Clear" Radius2

1.1 mm
0.040
in

da - Inner Ring Backing Diameter

152.9 mm
6.02
in

Da - Outer Ring Backing Diameter

192.000 mm
7.56
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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·  Cylindrical-Roller-Radial-Bearings---Single-Row-ISO-NU_NJ_NF_NUP



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