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