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Single Row Steel Cylindrical Bearing

NU 311 ECP

Single Row Steel Cylindrical Bearing
Item #100743020
  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 in Width
Single Row Steel Cylindrical Bearing
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  • 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
Static Load Rating [Max] 32,200.00 lbf
Reference Speed 6000 rpm
Row Type 1
O.D. 4.72 in, 120 mm
Material Bearing Steel
Inner Ring Width 1.14 in, 29 mm
ISO Tolerance Class 6 / P6
Origin Cylindrical Radial
Bearing Material Coating Bearing Steel
Relubrication Feature Without
O.D. Type Cylindrical
Precision Rating ABEC 1
Outer Ring Width 1.14 in, 29 mm
Series 3
Tolerance Normal (PN)
Oil Hole w/o Oil Hole
Enclosure Open
Static Load Rating 143 kN
Dynamic Load Rating 156 kN
Heat Stabilization 302 °F
Cage Non-Metallic
Inch/Metric Metric
No. of Rows 1
No. of Ribs - Outer Ring 2
Cage Material Polyamide
End Type Open End
Radial Internal Clearance Specification Normal Clearance
Bearing Part Complete Bearing
Rows of Balls Single
Element Material Bearing Steel
Bearing Class Normal / P0
Rolling Element Roller
Precision Ground Yes
Bore Type Cylindrical
Bearing Type Radial
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Capacity High Capacity
Width 1.14 in, 29 mm
Limiting Speed 7000 rpm
I.D. 2.17 in, 55 mm
Full Cage Description Injection Molded Cage
Radial Internal Clearance Group N
Internal Clearance CN
Cage Type Non-Metallic
Weight 3.243 LB
EAN or UPC 7316576616129
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