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NU 311 ECP/C3

Single Row Steel Cylindrical Bearing

Item #100743021
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Product details

  • 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

Specifications

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