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This part has been superseded.
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Ball Screw Support Quadruplex Bearing Set

MM30BS72QUH

SUPERSEDED TO TIMK_MM30BS72 QUH, MTRL - 117864598
Item #102016990
  • Quadruplex Set
  • 30 mm ID x 72 mm OD x 15 mm Wide
  • Extra Precision
  • Universal Mounting
  • 2,800 lb Preload
Ball Screw Support Quadruplex Bearing Set
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    Shipment Options
  • Quadruplex Set
  • 30 mm ID x 72 mm OD x 15 mm Wide
  • Extra Precision
  • Universal Mounting
  • 2,800 lb Preload

description

  • To meet the requirements of the servo-controlled machinery field, Torrington has developed a new series of ball bearings specially designed for ball screw applications. Design criteria for these bearings with maximum axial rigidity, low drag torque, and extreme control of lateral eccentricity.

applications

  • Ball screw support

caution

  • Steel housings must be used for operating pressures above 3,000 psi
Axial Spring Constant 15.8 lb/in
Ball Material Steel
Fillet Radius 0.031 in
Radial Internal Clearance Specification Normal Clearance
Enclosure Open
Preload Level Heavy
Limiting Thrust Capacity [Max] 20,400 lb
Precision Level Extra Precision (ABEC 7)
Bore Type Round Bore, Metric Type
O.D. Type Straight
Preload Amount 2800 lbf
Width of Set 60 mm
Bearing Arrangement Universal
Lubricant Heavy Duty NLGI#2 Grease
Drag Torque of Preloaded Set 10 lb/in
No. in Set Quadruplex Set
Contact Angle 60°
Bearing Type Ball Screw Support Bearing
I.D. 30 mm
Cage Material Phenolic
Dynamic Thrust Capacity N/A
O.D. 72 mm
Extended Thrust Dynamic Load Rating 16000 lb
Inch/Metric Metric
Material Steel
Weight 2.88 LB
EAN or UPC 87796233232
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