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