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