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