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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
Bore Type Cylindrical
Width 1.14 in, 29 mm
Cage Material Polyamide
Series 3
Bearing Type Radial
Precision Ground Yes
Radial Internal Clearance Specification Greater Than Normal Clearance
Rows of Balls Single
Relubrication Feature Without
Inch/Metric Metric
End Type Open End
Enclosure Open
Precision Rating ABEC 1
Row Type 1
Element Material Bearing Steel
Origin Cylindrical Radial
No. of Ribs - Outer Ring 2
Dynamic Load Rating 156 kN
Outer Ring Width 1.14 in, 29 mm
Bearing Design Removable Inner Ring – Straight
Static Load Rating 143 kN
Inner Ring Width 1.14 in, 29 mm
O.D. 4.72 in, 120 mm
Capacity High Capacity
No. of Rows 1
Rolling Element Roller
Reference Speed 6000 rpm
Oil Hole w/o Oil Hole
Tolerance Normal (PN)
Material Bearing Steel
Cage Type Non-Metallic
Limiting Speed 7000 rpm
Bearing Part Complete Bearing
Internal Clearance C3
I.D. 2.17 in, 55 mm
Radial Internal Clearance C3
O.D. Type Cylindrical
Weight 3.243 LB
EAN or UPC 7316577033000
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