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Cylindrical Roller Radial Bearings - Single Row Standard
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ENGINEERED BEARINGS
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Cylindrical Roller Bearings
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Cylindrical Roller Radial Bearings - Single Row Standard
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Part Number 220RJ51
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Part Number 220RJ51, Cylindrical Roller Radial Bearings - Single Row Standard
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Basic Load Ratings
·
Factors
·
Abutment and Fillet Dimensions
Specifications
Design Units
Metric
d - Bore
220
mm
Type
NJ
Dimensions
D - Outer Diameter
350
mm
13.7796
in
C - Inner Ring Width
51
mm
2.0079
in
B - Outer Ring Width
51
mm
2.0079
in
Basic Load Ratings
C0 - Static Radial Rating
841000
N
189000
lbf
C - Dynamic Radial Rating
1
618000
N
139000
lbf
1
Based on 1 x 10
6
L
10
life for the ISO life calculation method.
Factors
Reference Thermal Speed Rating (Grease)
960
rpm
Reference Thermal Speed Rating (Oil)
1
1100
rpm
Cg - Geometry Factor
2
0.1285
1
See thermal speed ratings in the engineering section.
2
Geometry constant for Lubrication Life Adjustment Factor a3l.
Abutment and Fillet Dimensions
da - Inner Ring Backing Diameter
244
mm
9.6000
in
Da - Outer Ring Backing Diameter
326
mm
12.8000
in
VIEW CAD DRAWING
·
3D
·
2D Sales Drawing
·
2D Sectional View
DOWNLOADS
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
Tools and Guides for Engineers
Catalog and Technical Information - Cylindrical Roller Bearings
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The Timken Company. ©
The Timken Company.
©
The Timken Company.