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