1500-0250 Right Hand Adjustable Preload Ball Nut With Integral Flange and Wipers
description
PowerTRAC™ standard rolled thread ball screws are convenient, efficient devices for converting rotary motion to linear motion.High efficiency is achieved through the use of bearing balls added between the nut and screw to eliminate sliding friction. Life of the assembly is determined by predictable fatigue cycles, not unpredictable frictional wear.
features
EFFICIENCY The low coefficient of friction of the rolling elements of the PowerTrac™ ball nut results in an operating efficiency of 90%.
Backlash the axial movement between a new PowerTrac™ SBN Ball Nut and Ball Screw ranges from .003 to .015" depending on size of bearing ball
Material: PowerTrac™ ball nuts are made of carburized steel with ball tracs heat-treated to Rc 58-60. Ball nuts are given a protective black oxide finish. Selected sizes are available in heat-treated stainless steel (RC 40-45) for applications in c
WIPER KITS It is recommended that PowerTrac™ brush or felt wipers be used with SBN Ball Nuts to prevent foreign materials from entering ball nuts. PowerTrac™ recommends bellows boots or metal covers for environments where abrasive particles or met
SURFACE COATINGS PowerTrac™ ball nuts have a protective black oxide finish.
SELECTIVE FIT Single SBN ball nuts can be custom fitted with selected bearing balls to minimize backlash to within .003".
PRELOAD Preload is the internal load introduced between two ball nuts that eliminates axial and radial movement. This provides zero backlash for accurate repeatability. Preloaded ball nuts offer increased system stiffness. PowerTrac™ has a varie
External Thread Size
Integral Flange
Thread Lead
1/4 in
Pounds of Preload
920 lb/in
Dynamic Load Rating
4198 lbf
Precision Level
Standard
Distance Across Return Tubes
1.604 in
Radius Over Return Tubes
1.342 in
Outside Dia.
2.088 in
Ball Dia.
5/32 in
Torque to Raise 1 Pound
0.044 lb/in
No. of Circuits
Double - External Returns
Total No. of Balls
460
Thread Starts
Single
Material
4150 HT Steel
No. of Balls
230
Preload
Adjustable
Ball Circle Dia.
1.5 in
Length
6.815 in
Static Load Rating [Max]
44030 lbf
Thread Hand
Right Hand
Weight
6.0 LB
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