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