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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
No. of Ribs - Outer Ring 2
Radial Internal Clearance Group N
Radial Internal Clearance Specification Normal Clearance
Oil Hole w/o Oil Hole
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Static Load Rating 500 kN
Series 3
Cage Material Steel
Enclosure Open
Outer Ring Width 1.93 in, 49 mm
Full Cage Description Pressed Steel Cage
Relubrication Feature Without
Inner Ring Width 1.93 in, 49 mm
Cage Type Sheet Metal
Bearing Part Complete Bearing
No. of Rows 1
I.D. 105 mm
Width 49 mm
Bore Type Round Bore
Capacity High Capacity
Dynamic Load Rating 98,900.00 lbf
Precision Ground Yes
Static Load Rating [Max] 112,000.00 lbf
Tolerance Normal (PN)
Inch/Metric Metric
Bearing Type Radial
Limiting Speed 3800 rpm
Heat Stabilization 302 °F
Rows of Balls Single
Reference Speed 3200 rpm
O.D. 225.0000 mm
End Type Open End
Material Steel
O.D. Type Cylindrical
Precision Rating ABEC 1
Origin Cylindrical Radial
Weight 19.202 LB
EAN or UPC 7316577062574
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