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This part has been superseded.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SUPERSEDED TO TIMK_MM30BS72 QUH, MTRL - 117864598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
Limiting Thrust Capacity [Max] 20,400 lb
No. in Set Quadruplex Set
Enclosure Open
Extended Thrust Dynamic Load Rating 16000 lb
Cage Material Phenolic
Precision Level Extra Precision (ABEC 7)
Material Steel
Fillet Radius 0.031 in
Preload Amount 2800 lbf
Dynamic Thrust Capacity N/A
Bearing Arrangement Universal
O.D. Type Straight
Width of Set 60 mm
Axial Spring Constant 15.8 lb/in
I.D. 30 mm
Inch/Metric Metric
Preload Level Heavy
O.D. 72 mm
Bearing Type Ball Screw Support Bearing
Bore Type Round Bore, Metric Type
Drag Torque of Preloaded Set 10 lb/in
Radial Internal Clearance Specification Normal Clearance
Lubricant Heavy Duty NLGI#2 Grease
Ball Material Steel
Contact Angle 60°
Weight 2.88 LB
EAN or UPC 87796233232
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