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