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Single Row Steel Cylindrical Bearing

NU 321 ECJ

Single Row Steel Cylindrical Bearing
Item #100743110
  • 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

description

  • The EC design contains improvements in guiding surfaces of flanges and roller ends, which means that EC bearings have a high axial load-carrying capacity.

applications

  • Traction motors
  • Electric motors
  • Gearboxes

features

  • Improved roller-end-to-flange contact
  • Increased capacity

compliances

  • In accordance with ISO 15-1981
Inch/Metric Metric
Static Load Rating [Max] 112,000.00 lbf
Material Bearing Steel
Cage Type Sheet Metal
Oil Hole w/o Oil Hole
End Type Open End
Full Cage Description Pressed Steel Cage
Bore Type Cylindrical
Static Load Rating 500 kN
Inner Ring Width 1.93 in, 49 mm
Capacity High Capacity
Radial Internal Clearance Group N
Reference Speed 3200 rpm
Cage Material Bearing Steel
Tolerance Normal (PN)
Width 1.93 in, 49 mm
Heat Stabilization 302 °F
O.D. 8.86 in, 225 mm
Relubrication Feature Without
Bearing Part Complete Bearing
Origin Cylindrical Radial
No. of Ribs - Outer Ring 2
I.D. 4.13 in, 105 mm
Precision Ground Yes
Bearing Type Radial
Precision Rating ABEC 1
No. of Rows Single
Outer Ring Width 1.93 in, 49 mm
Limiting Speed 3800 rpm
Series 3
Dynamic Load Rating 500 kN
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Radial Internal Clearance Specification Normal Clearance
Rows of Balls Single
Enclosure Open
O.D. Type Cylindrical
Weight 19.202 LB
EAN or UPC 7316577062574
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