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Cylindrical Roller Radial Bearings - Single Row ISO
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ENGINEERED BEARINGS
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Cylindrical Roller Bearings
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Cylindrical Roller Radial Bearings - Single Row ISO
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Part Number NJ311ETP
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Part Number NJ311ETP, Cylindrical Roller Radial Bearings - Single Row ISO
larger image
Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Basic Load Ratings
·
Factors
·
Abutment and Fillet Dimensions
Specifications
Cage Type
Polymer Cage
Design Units
Metric
d - Bore
55
mm
Type
NJ
Dimensions
D - Outer Diameter
120
mm
4.7244
in
C - Inner Ring Width
29
mm
1.1417
in
B - Outer Ring Width
29
mm
1.1417
in
Basic Load Ratings
C0 - Static Radial Rating
144400
N
C - Dynamic Radial Rating
1
138500
N
1
Based on 1 X 10
6
L
10
life for the ISO life calculation method.
Factors
Reference Thermal Speed Rating (Grease)
4700
rpm
Reference Thermal Speed Rating (Oil)
1
5500
rpm
1
See thermal speed ratings in the engineering section.
Abutment and Fillet Dimensions
R - Inner Ring "To Clear" Radius
1
2
mm
0.079
in
r - Outer Ring "To Clear" Radius
2
2
mm
0.079
in
da - Inner Ring Backing Diameter
65
mm
2.5591
in
Da - Outer Ring Backing Diameter
109
mm
4.2913
in
1
Maximum housing fillet radius that bearing corners will clear.
2
Maximum shaft fillet radius that bearing corners will clear.
MORE IMAGES
·
Cylindrical-Roller-Radial-Bearings---Single-Row-ISO-NU_NJ_NF_NUP
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Catalog and Technical Information - Cylindrical Roller Bearings
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The Timken Company.
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The Timken Company.