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Steel Super Precision Angular Contact Ball Bearing

3MM9116WI DUM

Steel Super Precision Angular Contact Ball Bearing
Item #101020861
  • 3.149 in Inner Diameter
  • 4.921 in Outer Diameter
  • Super Precision
  • 1.732 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 3.149 in Inner Diameter
  • 4.921 in Outer Diameter
  • Super Precision
  • 1.732 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
Rolling Element Material Steel
No. in Set Duplex Set
Bearing Material Steel
Seal Type Unsealed
Material Steel
Bearing Arrangement Universal
Outer Ring Width 22 mm
Radial Internal Clearance Specification Normal Clearance
O.D. Type Straight
No. of Rows 2
Filling Slot No
O.D. 125 mm
Universally (Flush) Ground Yes
Fillet Radius 0.039 in
Seal Material None
Bearing Type Single Row Angular Contact
Cage Type Machined Window
Limiting Speed - Grease 8360 rpm
I.D. 80 mm
Inner Ring Width 22 mm
Enclosure Open
Ball Material Steel
Lubricant Oil Preservative
Dynamic Load Rating 13700 lbf
Contact Angle 25°
Cage Material Phenolic
Preload Level Medium
Static Load Rating [Max] 10200 lbf
Bore Type Round Bore, Metric Type
Inch/Metric Metric
Origin Single Row Angular Contact
Precision Level Extra Precision (ABEC 7)
Overall Width 1.732 in, 44 mm
Rolling Element Ball
Fillet Radius Cone 0.043 in, 1.09 mm
Relubricatable No
Precision Class ABEC Class 7/9
Closure Type Open
Weight 3.97 LB
EAN or UPC 87796072886
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