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