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