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Steel Super Precision Angular Contact Ball Bearing

3MM9112WI DUM

Steel Super Precision Angular Contact Ball Bearing
Item #101020851
  • 2.362 in Inner Diameter
  • 3.74 in Outer Diameter
  • Super Precision
  • 36 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 2.362 in Inner Diameter
  • 3.74 in Outer Diameter
  • Super Precision
  • 36 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
Cage Type Machined Window
O.D. 95 mm
Origin Single Row Angular Contact
Material Steel
Inner Ring Width 18 mm
Seal Material None
Outer Ring Width 18 mm
Ball Material Steel
Static Load Rating [Max] 6550 lbf
Filling Slot No
Enclosure Open
Cage Material Phenolic
No. in Set Duplex Set
Universally (Flush) Ground Yes
Precision Level Extra Precision (ABEC 7)
Bearing Arrangement Universal
Preload Level Medium
Bearing Material Steel
Seal Type Unsealed
No. of Rows 2
Rolling Element Material Steel
Dynamic Load Rating 8300 lbf
Bearing Type Single Row Angular Contact
O.D. Type Straight
Inch/Metric Metric
Limiting Speed - Grease 11100 rpm
I.D. 60 mm
Contact Angle 25°
Radial Internal Clearance Specification Normal Clearance
Lubricant Oil Preservative
Bore Type Round Bore, Metric Type
Fillet Radius 0.039 in
Precision Class ABEC Class 7/9
Relubricatable No
Overall Width 36 in, 36 mm
Closure Type Open
Fillet Radius Cone 0.043 in, 1.09 mm
Rolling Element Ball
Weight 1.86 LB
EAN or UPC 87796072596
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