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