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