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