PowerTrac SRT 2500 - 0250 RH/LH

Inch Twin-Lead Ball Screw, Standard Accuracy Rolled, SRT, 2.500" Ball Circle Diameter, 0.250" Lead, RH/LH Thread

Twin-Lead ball screws offer dual opposing motion using a single drive system. These one-piece, high performance ball screws are made from high alloy steel that is black oxided for protection.

  • Lead accuracy of ±0.004"/foot is standard
  • For a shorter unthreaded center section, contact Nook Industries customer service at 800-321-7800.
Twin-Lead screws are stocked for quick delivery without machined ends.

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)

Product PowerTrac SRT 2500 - 0250 RH/LH
Product Info
Screw Code 2500-0250 SRT TA
Precision SRT
Screw Material 4150
Thread Direction RH/LH
Ball Circle Diameter [in] 2.500
Lead [in] 0.250
Root Diameter [in] 2.320
Incomplete Overlapping Thread Length [in] 04.00
Maximum Overall Length [in] 192
Maximum Useable LH & RH Thread [in] 94.00
End Code for Types 1,2,3,5 [* Journals may show tracings of the thread] 50
End Code for Type 4 [* Journals may show tracings of the thread] 32
Screw Weight [lb./ft.] 15.45
Performance Specifications
Lead Accuracy +/- [in./ft.] 0.004

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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

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