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