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