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Single Row Steel Cylindrical Bearing

NU 311 ECP

Single Row Steel Cylindrical Bearing
Item #100743020
  • 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

description

  • The EC design contains improvements in guiding surfaces of flanges and roller ends, which means that EC bearings have a high axial load-carrying capacity.

applications

  • Traction motors
  • Electric motors
  • Gearboxes

features

  • Improved roller-end-to-flange contact
  • Increased capacity

compliances

  • In accordance with ISO 15-1981
No. of Ribs - Outer Ring 2
Bearing Part Complete Bearing
O.D. Type Cylindrical
Cage Material Polyamide (Molded Nylon)
Precision Rating ABEC 1
Heat Stabilization 302 °F
Reference Speed 6000 rpm
Tolerance Normal (PN)
I.D. 55 mm
Material Steel
Precision Ground Yes
Bore Type Round Bore
Dynamic Load Rating 31,000.00 lbf
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Origin Cylindrical Radial
O.D. 120.0000 mm
Inner Ring Width 1.14 in, 29 mm
Bearing Type Radial
Rows of Balls Single
Relubrication Feature Without
Static Load Rating [Max] 32,200.00 lbf
Width 29 mm
Enclosure Open
Static Load Rating 143 kN
Outer Ring Width 1.14 in, 29 mm
Inch/Metric Metric
Cage Type Non-Metallic
Radial Internal Clearance Specification Normal Clearance
End Type Open End
Limiting Speed 7000 rpm
Oil Hole w/o Oil Hole
Full Cage Description Injection Molded Cage
No. of Rows 1
Capacity High Capacity
Radial Internal Clearance Group N
Series 3
Weight 3.243 LB
EAN or UPC 7316576616129
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