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