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Steel Super Precision Angular Contact Ball Bearing

3MM207WI DUM

Steel Super Precision Angular Contact Ball Bearing
Item #101020792
  • 1.378 in Inner Diameter
  • 2.835 in Outer Diameter
  • Super Precision
  • 1.339 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 1.378 in Inner Diameter
  • 2.835 in Outer Diameter
  • Super Precision
  • 1.339 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
Preload Level Medium
Precision Level Extra Precision (ABEC 7)
Filling Slot No
O.D. Type Straight
Inner Ring Width 17 mm
Enclosure Open
Rolling Element Material Steel
O.D. 72 mm
Bore Type Round Bore, Metric Type
Cage Material Phenolic
Dynamic Load Rating 7200 lbf
Seal Material None
Ball Material Steel
Bearing Arrangement Universal
Bearing Type Single Row Angular Contact
Bearing Material Steel
Origin Single Row Angular Contact
Fillet Radius 0.039 in
Material Steel
Lubricant Oil Preservative
Radial Internal Clearance Specification Normal Clearance
Limiting Speed - Grease 17400 rpm
Seal Type Unsealed
I.D. 35 mm
Contact Angle 25°
Outer Ring Width 17 mm
Static Load Rating [Max] 3650 lbf
Universally (Flush) Ground Yes
Inch/Metric Metric
No. of Rows 2
No. in Set Duplex Set
Cage Type Machined Window
Relubricatable No
Closure Type Open
Rolling Element Ball
Overall Width 1.339 in, 34 mm
Fillet Radius Cone 0.043 in, 1.09 mm
Precision Class ABEC Class 7/9
Weight 1.28 LB
EAN or UPC 87796070301
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