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