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