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This part has been superseded.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
Precision Rating ABEC 1
Limiting Speed 7000 rpm
Oil Hole w/o Oil Hole
ISO Tolerance Class 6 / P6
Origin Cylindrical Radial
Bore Type Cylindrical
Tolerance Normal (PN)
Internal Clearance CN
Precision Ground Yes
Radial Internal Clearance Group N
Dynamic Load Rating 156 kN
Radial Internal Clearance Specification Normal Clearance
Series 3
Rolling Element Roller
Capacity High Capacity
Outer Ring Width 1.14 in, 29 mm
Static Load Rating 143 kN
O.D. Type Cylindrical
No. of Rows Single
Inch/Metric Metric
Relubrication Feature Without
Width 1.14 in, 29 mm
Reference Speed 6000 rpm
Cage Non-Metallic
Cage Type Non-Metallic
Bearing Design Removable Inner Ring – Flanged – Double Flanged Outer Ring and Single Flange Inner Ring
Row Type 1
Heat Stabilization 302 °F
I.D. 2.17 in, 55 mm
No. of Ribs - Inner Ring 1
Static Load Rating [Max] 32,200.00 lbf
Full Cage Description Injection Molded Cage
Bearing Type Radial
Enclosure Open
Rows of Balls Single
Cage Material Polyamide
O.D. 4.72 in, 120 mm
Element Material Bearing Steel
Material Bearing Steel
Inner Ring Width 1.14 in, 29 mm
No. of Ribs - Outer Ring 2
Bearing Class Normal / P0
Bearing Part Complete Bearing
End Type Open End
Bearing Material Coating Bearing Steel
Weight 3.378 LB
EAN or UPC 7316577028808
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