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NU 310 ECP

Single Row Steel Cylindrical Bearing

Item #100000626
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Product details

  • 1.97 in Inner Diameter
  • 4.33 in Outer Diameter
  • 1.06 in Width


  • 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.


  • Traction motors
  • Electric motors
  • Gearboxes


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


Width 1.06 in, 27 mm
Tolerance Normal (PN)
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Enclosure Open
Material Bearing Steel
Reference Speed 6700 rpm
Inner Ring Width 1.06 in, 27 mm
Element Material Bearing Steel
Cage Material Polyamide
Rolling Element Roller
Dynamic Load Rating 127 kN
Bearing Type Radial
Precision Ground Yes
No. of Ribs - Outer Ring 2
Limiting Speed 8000 rpm
End Type Open End
Capacity High Capacity
Full Cage Description Injection Molded Cage
Static Load Rating 112 kN
Radial Internal Clearance Specification Normal Clearance
O.D. Type Cylindrical
Internal Clearance CN
Heat Stabilization 302 °F
O.D. 4.33 in, 110 mm
Series 3
Radial Internal Clearance Group N
Origin Cylindrical Radial
Static Load Rating [Max] 25,200.00 lbf
I.D. 1.97 in, 50 mm
Rows of Balls Single
Precision Rating ABEC 1
Relubrication Feature Without
Outer Ring Width 1.06 in, 27 mm
Bearing Part Complete Bearing
Oil Hole w/o Oil Hole
No. of Rows Single
Inch/Metric Metric
Row Type 1
Cage Type Non-Metallic
Bore Type Cylindrical
Weight 2.588 LB
EAN or UPC 7316577023131
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