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Single Row Steel Cylindrical Bearing

NU 321 ECJ/C3

Single Row Steel Cylindrical Bearing
Item #100743111
  • 4.13 in Inner Diameter
  • 8.86 in Outer Diameter
  • 1.93 in Width
Single Row Steel Cylindrical Bearing
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  • 4.13 in Inner Diameter
  • 8.86 in Outer Diameter
  • 1.93 in Width

applications

  • Traction motors
  • Electric motors
  • Gearboxes

features

  • Logarithmically crowned rollers
  • High speed performance
  • Precision-honed rolling contact surfaces

compliances

  • In accordance with ISO 15-1981
Inch/Metric Metric
Precision Ground Yes
Bearing Type Radial
Capacity High Capacity
Radial Internal Clearance C3
End Type Open End
Cage Material Steel
I.D. 105 mm
Enclosure Open
O.D. Type Cylindrical
Dynamic Load Rating 500 kN
Bearing Design Removable Inner Ring – Straight
No. of Ribs - Outer Ring 2
Bore Type Round Bore
Tolerance Normal (PN)
Rows of Balls Single
Oil Hole w/o Oil Hole
Outer Ring Width 1.93 in, 49 mm
Inner Ring Width 1.93 in, 49 mm
Bearing Part Complete Bearing
Width 1.93 in, 49 mm
Radial Internal Clearance Specification Greater Than Normal Clearance
Static Load Rating 500 kN
Origin Cylindrical Radial
No. of Rows 1
Precision Rating ABEC 1
Material Steel
Cage Type Sheet Metal
Relubrication Feature Without
Series 3
O.D. 225 mm
Weight 19.202 LB
EAN or UPC 7316577055620
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