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