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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
Reference Speed 3200 rpm
Dynamic Load Rating 500 kN
Origin Cylindrical Radial
Tolerance Normal (PN)
Cage Material Bearing Steel
Internal Clearance C3
O.D. 8.86 in, 225 mm
Relubrication Feature Without
End Type Open End
Series 3
Bearing Type Radial
Row Type 1
Static Load Rating 500 kN
No. of Ribs - Outer Ring 2
Radial Internal Clearance Specification Greater Than Normal Clearance
Bore Type Cylindrical
Outer Ring Width 1.93 in, 49 mm
Rolling Element Roller
Material Bearing Steel
Inch/Metric Metric
I.D. 4.13 in, 105 mm
Oil Hole w/o Oil Hole
Limiting Speed 3800 rpm
Element Material Bearing Steel
Cage Type Sheet Metal
Precision Ground Yes
Radial Internal Clearance C3
Rows of Balls Single
Capacity High Capacity
O.D. Type Cylindrical
No. of Rows 1
Enclosure Open
Width 1.93 in, 49 mm
Bearing Part Complete Bearing
Bearing Design Removable Inner Ring – Straight
Inner Ring Width 1.93 in, 49 mm
Precision Rating ABEC 1
Weight 19.202 LB
EAN or UPC 7316577055620
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