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