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Single Row Steel Cylindrical Bearing

NU 311 ECP/C3

Single Row Steel Cylindrical Bearing
Item #100743021
  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 in Width
Single Row Steel Cylindrical 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
Cage Material Polyamide (Molded Nylon)
Material Steel
Precision Rating ABEC 1
O.D. Type Cylindrical
Enclosure Open
Bearing Design Removable Inner Ring – Straight
End Type Open End
Oil Hole w/o Oil Hole
Static Load Rating 143 kN
Radial Internal Clearance C3
Radial Internal Clearance Specification Greater Than Normal Clearance
Series 3
Capacity High Capacity
No. of Rows 1
Width 1.14 in, 29 mm
Tolerance Normal (PN)
Outer Ring Width 1.14 in, 29 mm
Inner Ring Width 1.14 in, 29 mm
No. of Ribs - Outer Ring 2
Precision Ground Yes
Relubrication Feature Without
Origin Cylindrical Radial
Rows of Balls Single
Dynamic Load Rating 156 kN
Bearing Type Radial
Bore Type Round Bore
Bearing Part Complete Bearing
Cage Type Non-Metallic
Inch/Metric Metric
I.D. 55 mm
O.D. 120 mm
Weight 3.243 LB
EAN or UPC 7316577033000
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