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