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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
Enclosure Open
No. of Rows 1
Bearing Material Coating Bearing Steel
Capacity High Capacity
Static Load Rating [Max] 112,000.00 lbf
Cage Type Sheet Metal
Inch/Metric Metric
O.D. Type Cylindrical
Inner Ring Width 1.93 in, 49 mm
Origin Cylindrical Radial
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Bearing Type Radial
Outer Ring Width 1.93 in, 49 mm
Heat Stabilization 302 °F
End Type Open End
Dynamic Load Rating 500 kN
Radial Internal Clearance Specification Normal Clearance
Rolling Element Roller
Bearing Class Normal / P0
Internal Clearance CN
Precision Rating ABEC 1
No. of Ribs - Outer Ring 2
Limiting Speed 3800 rpm
Reference Speed 3200 rpm
Relubrication Feature Without
Oil Hole w/o Oil Hole
Material Bearing Steel
Series 3
Cage Material Bearing Steel
ISO Tolerance Class 6 / P6
Width 1.93 in, 49 mm
Cage Sheet Metal
I.D. 4.13 in, 105 mm
Static Load Rating 500 kN
Tolerance Normal (PN)
Radial Internal Clearance Group N
Bearing Part Complete Bearing
Bore Type Cylindrical
Row Type 1
Element Material Bearing Steel
Rows of Balls Single
Precision Ground Yes
Full Cage Description Pressed Steel Cage
O.D. 8.86 in, 225 mm
Weight 19.202 LB
EAN or UPC 7316577062574
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