PowerTrac 1000 - 0250 XPR RA, with SSN Ball Nut, Preloaded, Flanged

Inch Ball Screw AssemblyPrecision Rolled Inch Ball Screw, XPR, 1.000" Ball Circle Diameter, 0.250" Lead, RH Thread, Inch Ball Nut, for XPR, Ground Accuracy, Preloaded, Fixed, SSN

To obtain optimum performance of Nook precision ball screws, it is required that the ball screws machined in their case hardened state. When annealing is applied to the end of the ball screw for machining purposes, the lead accuracy is distorted causing the ball nut to lock or jam on the ball screw.

Nook precision ball screw and nut assemblies provide ease of application without the need to machine or anneal the ball screw, as all that is required is installation. Nook precision assemblies offer turnkey solutions that only require a power source (hand operation or motor). All of the elements are available for quick delivery from shelf stock.

When loading an SSN or PRN style ball nuts on an XPR ball screw, depending on the length of the ball screw, the preload condition may vary. The fit between the ball nut and ball screw will range from a slight clearance (~.0005") to no-lash clearance throughout the travel, which may cause a minimal variation in tare drag torque. If a full preload is required select an SGT ground ball screw instead.

To configure a part number, download 2D/3D models, or request a quote, please select the "Quote or Download" tab and click the "Configure" button. (Step 4 of 4)

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Product PowerTrac 1000 - 0250 XPR RA, with SSN Ball Nut, Preloaded, Flanged
Inch Ball Screw
(Screw) Product Info
Screw Code 1000-0250 XPR RA
Precision XPR
Screw Material 4150
Thread Direction RH
(Screw) Details
Ball Circle Diameter [in] 1.000
Lead [in] 0.250
Root Diameter [in] 0.820
End Code for Types 1,2,3,5 [* Journals may show tracings of the thread] 20
End Code for Type 4 [* Journals may show tracings of the thread] 12
(Screw) Performance Specifications
Lead Accuracy +/- [in./ft.] 0.0010
(Screw) Part Numbers
2 ft. Part Number
4 ft. Part Number
6 ft. Part Number XPR10025R72
8 ft. Part Number
12 ft. Part Number XPR10025R144
16 ft. Part Number
20 ft. Part Number
(Screw) Weight
Screw Weight [lb./ft.] 2.20
Inch Ball Nut, for XPR, Ground Accuracy, Preloaded, Fixed, SSN
(Nut) Product Info
Ball Nut Number SSN10570
Thread Direction RH
(Nut) Details
Ball Circle Diameter [in] 1.000
Lead [in] 0.250
Nominal Ball Diameter [in] 0.156
Root diameter [in] 0.820
(Nut) Forces and Torques
Torque to Raise 1 lb. [in-lb] 0.044
(Nut) Flange Part Numbers
Flange Part Number INTEGRAL
(Nut) Wiper Part Numbers
Wiper Kit Part Number ELASTOMER
(Nut) Weight
Nut Weight [lb] 2.00
(Nut) Performance Specifications
Maximum Adjustable Preload [lb]
Spring Rate x 106 [lb./in.] 3.50
Dynamic Load [lb] 2285
Static Load [lb] 15815

To continue, please configure your item below.

Profile Rail Systems and Runner Blocks

Linear Bearings and Pillow Blocks

Linear Shafting and Shaft Supports

End Bearing Support - Universal Single Bearing Support

End Bearing Support - Universal Double Bearing Support

End Bearing Support - Universal Double Bearing Support With Motor Mount

End Bearing Support - Flanged Single Bearing Support

End Bearing Support - Flanged Double Bearing Support

End Bearing Support - Flanged Double Bearing Support With Motor Mount

End Bearing Support - High Capacity Fixed Support

End Machining - Type 1 - Short Journal Typically Used With Single Bearing or Single Bearing EZZE-Mount

End Machining - Type 2 - Medium Journal Typically Used With Duplexed Bearings

End Machining - Type 3 - Long Journal Typically Used With Multiple Sets of Bearings or Double Bearing EZZE-Mount

End Machining - Type 4 - Shaft Journal With No Locknut Thread

End Machining - Type 5 - Heavy Duty Journal Typically Used With High Capacity Fixed Support

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