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Single Row Steel Cylindrical Bearing

NU 311 ECM

Single Row Steel Cylindrical Bearing
Item #101172905
  • 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
Series 3
Heat Stabilization 302 °F
Bearing Part Complete Bearing
Outer Ring Width 1.14 in, 29 mm
Inner Ring Width 1.14 in, 29 mm
O.D. 4.72 in, 120 mm
Static Load Rating [Max] 32,200.00 lbf
Radial Internal Clearance Group N
Static Load Rating 143 kN
Cage Type Solid Machined
Width 1.14 in, 29 mm
Bearing Type Radial
Dynamic Load Rating 156 kN
Cage Material Brass
Full Cage Description Machined Brass Cage
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Inch/Metric Metric
I.D. 2.17 in, 55 mm
Material Bearing Steel
Enclosure Open
Oil Hole w/o Oil Hole
Origin Cylindrical Radial
Capacity High Capacity
Relubrication Feature Without
O.D. Type Cylindrical
Limiting Speed 7000 rpm
Rows of Balls Single
Precision Ground Yes
Tolerance Normal (PN)
No. of Ribs - Outer Ring 2
End Type Open End
Reference Speed 6000 rpm
No. of Rows Single
Bore Type Cylindrical
Radial Internal Clearance Specification Normal Clearance
Precision Rating ABEC 1
Weight 3.869 LB
EAN or UPC 7316576624285
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