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Radial Cylindrical Roller Bearing

NU 311 ECM/C3

Radial Cylindrical Roller Bearing
Item #100743018
  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 in Width
Radial Cylindrical Roller Bearing
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  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 in Width

applications

  • Traction motors
  • Electric motors
  • Gearboxes

features

  • Logarithmically crowned rollers
  • High speed performance
  • Precision-honed rolling contact surfaces

compliances

  • In accordance with ISO 15-1981
I.D. 55 mm
No. of Rows 1
O.D. 120 mm
Radial Internal Clearance Specification Greater Than Normal Clearance
Bearing Part Complete Bearing
Dynamic Load Rating 156 kN
Tolerance Normal (PN)
Outer Ring Width 1.14 in, 29 mm
Capacity High Capacity
Rows of Balls Single
Bore Type Round Bore
Cage Type Solid Machined
Relubrication Feature Without
Inner Ring Width 1.14 in, 29 mm
Bearing Type Radial
Radial Internal Clearance C3
Enclosure Open
Bearing Design Removable Inner Ring – Straight
O.D. Type Cylindrical
Static Load Rating 143 kN
End Type Open End
Material Steel
Series 3
No. of Ribs - Outer Ring 2
Precision Ground Yes
Oil Hole w/o Oil Hole
Width 1.14 in, 29 mm
Cage Material Brass/Bronze
Inch/Metric Metric
Origin Cylindrical Radial
Precision Rating ABEC 1
Weight 3.869 LB
EAN or UPC 7316576624292
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