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Single Row Steel Cylindrical Bearing

NU 221 ECJ

Single Row Steel Cylindrical Bearing
Item #100742924
  • 4.13 in Inner Diameter
  • 7.48 in Outer Diameter
  • 1.42 in Width
Single Row Steel Cylindrical Bearing
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  • 4.13 in Inner Diameter
  • 7.48 in Outer Diameter
  • 1.42 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
Capacity High Capacity
Relubrication Feature Without
Precision Ground Yes
Static Load Rating 315 kN
Limiting Speed 4300 rpm
Origin Cylindrical Radial
Bearing Type Radial
End Type Open End
Tolerance Normal (PN)
Inner Ring Width 1.42 in, 36 mm
O.D. Type Cylindrical
Series 2
Cage Material Steel
Rows of Balls Single
Bore Type Round Bore
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Static Load Rating [Max] 70,800.00 lbf
Radial Internal Clearance Specification Normal Clearance
Material Steel
O.D. 190.0000 mm
Enclosure Open
Radial Internal Clearance Group N
Width 36 mm
No. of Rows 1
Full Cage Description Pressed Steel Cage
Cage Type Sheet Metal
Oil Hole w/o Oil Hole
Precision Rating ABEC 1
Reference Speed 3800 rpm
Bearing Part Complete Bearing
Dynamic Load Rating 59,400.00 lbf
Inch/Metric Metric
Outer Ring Width 1.42 in, 36 mm
Heat Stabilization 302 °F
No. of Ribs - Outer Ring 2
I.D. 105 mm
Weight 8.808 LB
EAN or UPC 7316577043573
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