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