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