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Steel Super Precision Angular Contact Ball Bearing

3MM220WI DUL

Steel Super Precision Angular Contact Ball Bearing
Item #101020819
  • 3.937 in Inner Diameter
  • 7.087 in Outer Diameter
  • Super Precision
  • 2.677 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 3.937 in Inner Diameter
  • 7.087 in Outer Diameter
  • Super Precision
  • 2.677 in Overall Width
  • Cylindrical OD

applications

  • High speed grinding
  • High speed boring and milling
  • Precision vertical and horizontal milling spindles
  • High speed routing

features

  • ABEC 9/ISO P2 axial running tolerances for higher accuracy
  • Non-critical features manufactured to ABEC 7/ISO P4 tolerances for cost effectiveness
  • 15 degree initial contact angle for high degree of rigidity in both axial and radial directions and low operating temperatures
  • Clean steel supports longer service life
Enclosure Open
Limiting Speed - Grease 6450 rpm
Preload Level Light
Seal Type Unsealed
Bearing Material Steel
Ball Material Steel
Origin Single Row Angular Contact
No. of Rows 2
Static Load Rating [Max] 23600 lbf
Filling Slot No
Cage Type Machined Window
Material Steel
Bore Type Round Bore, Metric Type
Rolling Element Material Steel
Universally (Flush) Ground Yes
O.D. 180 mm
Dynamic Load Rating 35500 lbf
I.D. 100 mm
Inch/Metric Metric
Precision Level Extra Precision (ABEC 7)
Inner Ring Width 34 mm
Outer Ring Width 34 mm
Contact Angle 25°
Seal Material None
Bearing Arrangement Universal
O.D. Type Straight
Bearing Type Single Row Angular Contact
Fillet Radius 0.079 in
Cage Material Phenolic
Lubricant Oil Preservative
No. in Set Duplex Set
Radial Internal Clearance Specification Normal Clearance
Rolling Element Ball
Overall Width 2.677 in, 68 mm
Relubricatable No
Closure Type Open
Precision Class ABEC Class 7/9
Fillet Radius Cone 0.083 in, 2.11 mm
Weight 14.141 LB
EAN or UPC 87796071209
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