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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
Inner Ring Width 1.14 in, 29 mm
Precision Ground Yes
No. of Ribs - Outer Ring 2
Bearing Type Radial
Rolling Element Roller
No. of Rows 1
Origin Cylindrical Radial
Inch/Metric Metric
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
End Type Open End
Cage Type Solid Machined
Heat Stabilization 302 °F
Dynamic Load Rating 156 kN
Oil Hole w/o Oil Hole
Radial Internal Clearance Group N
Precision Rating ABEC 1
Internal Clearance CN
Width 1.14 in, 29 mm
Bearing Class Normal / P0
Limiting Speed 7000 rpm
Row Type 1
I.D. 2.17 in, 55 mm
Radial Internal Clearance Specification Normal Clearance
O.D. 4.72 in, 120 mm
Static Load Rating 143 kN
Bearing Material Coating Bearing Steel
O.D. Type Cylindrical
Capacity High Capacity
Static Load Rating [Max] 32,200.00 lbf
Enclosure Open
Rows of Balls Single
Cage Machined Metal
Outer Ring Width 1.14 in, 29 mm
Bore Type Cylindrical
Element Material Bearing Steel
Series 3
Full Cage Description Machined Brass Cage
Relubrication Feature Without
Material Bearing Steel
Reference Speed 6000 rpm
Cage Material Brass
Tolerance Normal (PN)
Bearing Part Complete Bearing
ISO Tolerance Class 6 / P6
Weight 3.869 LB
EAN or UPC 7316576624285
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