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