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This part has been superseded.
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Single Row Steel Cylindrical Bearing

NJ311ECP

PENDING RECODE TO SKF_NJ 311 ECP, MTRL - 118849700
Item #100743016
  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 in Width
Single Row Steel Cylindrical Bearing
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    Shipment Options
  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 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
Bore Type Cylindrical
O.D. Type Cylindrical
Precision Rating ABEC 1
Precision Ground Yes
Material Bearing Steel
Capacity High Capacity
End Type Open End
Radial Internal Clearance Specification Normal Clearance
Enclosure Open
Bearing Material Coating Bearing Steel
Bearing Part Complete Bearing
Rolling Element Roller
Rows of Balls Single
Static Load Rating 143 kN
Relubrication Feature Without
Static Load Rating [Max] 32,200.00 lbf
I.D. 2.17 in, 55 mm
ISO Tolerance Class 6 / P6
Cage Type Non-Metallic
Heat Stabilization 302 °F
Full Cage Description Injection Molded Cage
Bearing Design Removable Inner Ring – Flanged – Double Flanged Outer Ring and Single Flange Inner Ring
Bearing Class Normal / P0
Limiting Speed 7000 rpm
Oil Hole w/o Oil Hole
Tolerance Normal (PN)
Outer Ring Width 1.14 in, 29 mm
Origin Cylindrical Radial
Width 1.14 in, 29 mm
Internal Clearance CN
Radial Internal Clearance Group N
Reference Speed 6000 rpm
Inner Ring Width 1.14 in, 29 mm
Inch/Metric Metric
No. of Ribs - Inner Ring 1
Row Type 1
No. of Rows Single
Series 3
Cage Non-Metallic
O.D. 4.72 in, 120 mm
Element Material Bearing Steel
Cage Material Polyamide
Bearing Type Radial
Dynamic Load Rating 156 kN
Weight 3.378 LB
EAN or UPC 7316577028808
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