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