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