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THOMSON Profile Ball Rail: 25, 280 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht - Thomson 500 Series Ball Profile Rails
THOMSONThomson 500 Series Ball Profile Rails

THOMSON Profile Ball Rail: 25, 280 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht

The Thomson 500 Series Profile Ball Rail: 25 is a steel ball profile rail from THOMSON, with a nominal rail size of 25, an overall length of 280 mm, an overall width of 23 mm, and an overall height of 22.7 mm. It…

SKU 3G-OTH-122940

Also listed as: 521H25A280 · 521H25A 280 · 521H25A-280

Brand
THOMSON
Item
Profile Ball Rail: 25, 280 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht
Category
Thomson 500 Series Ball Profile Rails
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

THOMSON
Manufacturer Part Number
521H25A+280
Type
Steel
Overall Lg
280 mm
Size
25
Overall Ht
22.7 mm
Overall Wd
23 mm
Rail Holes
6
Nominal Rail Size
25

Technical Documents

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THOMSON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Thomson 500 Series Profile Ball Rail: 25 is a steel ball profile rail from THOMSON, with a nominal rail size of 25, an overall length of 280 mm, an overall width of 23 mm, and an overall height of 22.7 mm. It features 6 rail holes and is identified by manufacturer part number 521H25A+280.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Thomson 500 Series Profile Ball Rail used for?

The Thomson 500 Series Profile Ball Rail is used in linear motion systems for precise positioning and load support in industrial automation, packaging, and machine tool applications. Its steel construction and nominal size 25 provide reliable guidance for carriages in CNC routers, pick-and-place units, and assembly lines.

What are the specifications of the Thomson Profile Ball Rail 521H25A+280?

The Thomson Profile Ball Rail 521H25A+280 has a nominal rail size of 25, overall length of 280 mm, width of 23 mm, and height of 22.7 mm. It is made of steel with 6 rail holes. This 500 Series rail is designed for use with matching Thomson ball carriages for smooth linear motion.

Where to buy the Thomson 521H25A+280 ball rail worldwide?

You can source the Thomson 521H25A+280 ball rail worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this THOMSON profile rail.

How to install a Thomson profile ball rail?

To install a Thomson profile ball rail, first clean the mounting surface and align the rail using a straightedge. Secure it with bolts through the 6 rail holes, torquing to manufacturer specifications. Ensure the rail is level and parallel to the travel axis before mounting the carriage. Use shims if needed for alignment.

Used in

Common applications for THOMSON
Industrial automation — Thomson 500 Series ball carriages (511H25C0D) used in linear motion axes for pick-and-place systems.
Packaging machinery — Thomson profile ball rails (521H30AD+1000) guide conveyor or carton-erecting mechanisms.
Material handling — Thomson linear ball bearings (SUPER32OPN) support sliding loads in transfer stations.
Machine tool — Thomson ball nut end blocks (7829547) integrate with ball screws for CNC table positioning.
Medical equipment — Thomson pre-drilled shaft support rails (LSR-10-PD) mount linear guides in diagnostic scanners.
Automated assembly — Thomson double-acting seals (OPNS1000) protect linear bearings in dusty environments.

THOMSON Products

3G Electric supplies THOMSON thomson 500 series ball profile rails. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

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Profile Ball Rail: 25, 340 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+340)
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Profile Ball Rail: 25, 340 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+340)
Profile Ball Rail: 25, 640 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+640)
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Profile Ball Rail: 25, 640 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+640)
Profile Ball Rail: 25, 460 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+460)
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Profile Ball Rail: 25, 460 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+460)
Profile Ball Rail: 25, 820 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+820)
THOMSON
Profile Ball Rail: 25, 820 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+820)
Profile Ball Rail: 25, 1,240 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25A+1240)
THOMSON
Profile Ball Rail: 25, 1,240 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25A+1240)
Profile Ball Rail: 25, 3,000 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25ARL3000)
THOMSON
Profile Ball Rail: 25, 3,000 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25ARL3000)

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Profile Ball Rail: 25, 220 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+220)
Profile Ball Rail: 45, 570 mm Overall Lg, 45 mm Overall Wd, 37 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H45A+570)
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Profile Ball Rail: 45, 570 mm Overall Lg, 45 mm Overall Wd, 37 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H45A+570)
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Profile Ball Rail: 20, 820 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+820)
Profile Ball Rail: 35, 1,640 mm Overall Lg, 34 mm Overall Wd, 29.5 mm Overall Ht, Steel (MPN 521H35A+1640)
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Profile Ball Rail: 35, 1,640 mm Overall Lg, 34 mm Overall Wd, 29.5 mm Overall Ht, Steel (MPN 521H35A+1640)
Profile Ball Rail: 15, 1,000 mm Overall Lg, 15 mm Overall Wd, 15.7 mm Overall Ht, Steel (MPN 521H15AD+1000)
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Profile Ball Rail: 15, 1,000 mm Overall Lg, 15 mm Overall Wd, 15.7 mm Overall Ht, Steel (MPN 521H15AD+1000)
Profile Ball Rail: 15, 1,500 mm Overall Lg, 15 mm Overall Wd, 15.7 mm Overall Ht, Steel (MPN 521H15ARL1500)
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Profile Ball Rail: 15, 1,500 mm Overall Lg, 15 mm Overall Wd, 15.7 mm Overall Ht, Steel (MPN 521H15ARL1500)
Profile Ball Rail: 20, 160 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+160)
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Profile Ball Rail: 20, 160 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+160)
Profile Ball Rail: 20, 280 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+280)
THOMSON
Profile Ball Rail: 20, 280 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+280)