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