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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
Capacity High Capacity
Precision Rating ABEC 1
Outer Ring Width 1.93 in, 49 mm
No. of Rows Single
O.D. Type Cylindrical
Series 3
Cage Material Bearing Steel
Origin Cylindrical Radial
Rows of Balls Single
Tolerance Normal (PN)
End Type Open End
Bore Type Cylindrical
Static Load Rating 500 kN
Inner Ring Width 1.93 in, 49 mm
Cage Type Sheet Metal
O.D. 8.86 in, 225 mm
Bearing Part Complete Bearing
Relubrication Feature Without
No. of Ribs - Outer Ring 2
Radial Internal Clearance C3
Enclosure Open
Bearing Design Removable Inner Ring – Straight
Bearing Type Radial
Precision Ground Yes
Material Bearing Steel
Width 1.93 in, 49 mm
Inch/Metric Metric
Dynamic Load Rating 500 kN
Oil Hole w/o Oil Hole
Radial Internal Clearance Specification Greater Than Normal Clearance
I.D. 4.13 in, 105 mm
Weight 19.202 LB
EAN or UPC 7316577055620
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