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THOMSON Profile Ball Rail: 25, 820 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, 820 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht

The Thomson 500 Series Profile Ball Rail, model 521H25A+820, is a steel linear motion rail with a nominal size of 25. It measures 820 mm in overall length, 23 mm in overall width, and 22.7 mm in overall height…

SKU 3G-OTH-123417

Also listed as: 521H25A820 · 521H25A 820 · 521H25A-820

Brand
THOMSON
Item
Profile Ball Rail: 25, 820 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+820
Type
Steel
Overall Lg
820 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, model 521H25A+820, is a steel linear motion rail with a nominal size of 25. It measures 820 mm in overall length, 23 mm in overall width, and 22.7 mm in overall height, featuring 6 rail holes. This product is manufactured by THOMSON.

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 industrial automation, packaging, and material handling. It provides precise, low-friction guidance for moving loads along a fixed path, commonly in CNC machines, robotics, and conveyor systems.

What are the specifications of the Thomson 521H25A+820 Profile Ball Rail?

The Thomson 521H25A+820 Profile Ball Rail has a nominal size of 25, overall length of 820 mm, overall width of 23 mm, and overall height of 22.7 mm. It is made of steel with 6 rail holes. The brand is THOMSON, and the part number is 521H25A+820.

Where to buy the Thomson 521H25A+820 Profile Ball Rail worldwide?

You can source the Thomson 521H25A+820 Profile Ball Rail worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location, ensuring a seamless procurement process for this linear motion component.

How to select the correct Thomson Profile Ball Rail for an application?

To select the correct Thomson Profile Ball Rail, match the nominal size (e.g., 25) to your carriage and load requirements. Verify overall length (820 mm), width (23 mm), and height (22.7 mm) fit your assembly. Ensure the steel construction and 6 rail holes align with mounting and environmental needs.

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

Cross-referenced by specification & description
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, 220 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+220)
THOMSON
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: 25, 1,000 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25A+1000)
THOMSON
Profile Ball Rail: 25, 1,000 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25A+1000)
Profile Ball Rail: 25, 640 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+640)
THOMSON
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, 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)
Profile Ball Rail: 25, 340 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H25A+340)
THOMSON
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: 15, 1,000 mm Overall Lg, 15 mm Overall Wd, 15.7 mm Overall Ht, Steel (MPN 521H15AD+1000)
THOMSON
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)
THOMSON
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)
Profile Ball Rail: 20, 460 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+460)
THOMSON
Profile Ball Rail: 20, 460 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+460)
Profile Ball Rail: 25, 1,000 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25AD+1000)
THOMSON
Profile Ball Rail: 25, 1,000 mm Overall Lg, 23 mm Overall Wd, 22.7 mm Overall Ht, Steel (MPN 521H25AD+1000)
Profile Ball Rail: 35, 1,240 mm Overall Lg, 34 mm Overall Wd, 29.5 mm Overall Ht, Steel (MPN 521H35A+1240)
THOMSON
Profile Ball Rail: 35, 1,240 mm Overall Lg, 34 mm Overall Wd, 29.5 mm Overall Ht, Steel (MPN 521H35A+1240)
Profile Ball Rail: 20, 1,000 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20AD+1000)
THOMSON
Profile Ball Rail: 20, 1,000 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20AD+1000)