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