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Steel Super Precision Angular Contact Ball Bearing

3MM9120WI DUL

Steel Super Precision Angular Contact Ball Bearing
Item #101020869
  • 3.937 in Inner Diameter
  • 5.906 in Outer Diameter
  • Super Precision
  • 1.889 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 3.937 in Inner Diameter
  • 5.906 in Outer Diameter
  • Super Precision
  • 1.889 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
Bearing Arrangement Universal
Cage Type Machined Window
Seal Material None
Universally (Flush) Ground Yes
Precision Level Extra Precision (ABEC 7)
Dynamic Load Rating 17600 lbf
Rolling Element Material Steel
Lubricant Oil Preservative
O.D. Type Straight
Bearing Type Single Row Angular Contact
Limiting Speed - Grease 6770 rpm
No. in Set Duplex Set
Enclosure Open
Seal Type Unsealed
Ball Material Steel
Bore Type Round Bore, Metric Type
I.D. 100 mm
Outer Ring Width 24 mm
O.D. 150 mm
Fillet Radius 0.059 in
Inch/Metric Metric
Static Load Rating [Max] 14300 lbf
Cage Material Phenolic
Filling Slot No
Material Steel
Origin Single Row Angular Contact
Preload Level Light
Contact Angle 25°
Inner Ring Width 24 mm
Bearing Material Steel
Radial Internal Clearance Specification Normal Clearance
No. of Rows 2
Precision Class ABEC Class 7/9
Relubricatable No
Rolling Element Ball
Fillet Radius Cone 0.059 in, 1.5 mm
Overall Width 1.889 in, 48 mm
Closure Type Open
Weight 6.11 LB
EAN or UPC 87796073081
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