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