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THOMSON Profile Ball Rail: 20, 220 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht - Thomson 500 Series Ball Profile Rails
THOMSONThomson 500 Series Ball Profile Rails

THOMSON Profile Ball Rail: 20, 220 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht

The Thomson 500 Series Profile Ball Rail: 20 is a steel linear motion rail from THOMSON, with a nominal rail size of 20, overall length of 220 mm, overall width of 20 mm, and overall height of 19 mm. It features 6…

SKU 3G-OTH-122931

Also listed as: 521H20A220 · 521H20A 220 · 521H20A-220

Brand
THOMSON
Item
Profile Ball Rail: 20, 220 mm Overall Lg, 20 mm Overall Wd, 19 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
521H20A+220
Type
Steel
Overall Lg
220 mm
Size
20
Overall Ht
19 mm
Overall Wd
20 mm
Rail Holes
6
Nominal Rail Size
20

Technical Documents

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

Product Description

The Thomson 500 Series Profile Ball Rail: 20 is a steel linear motion rail from THOMSON, with a nominal rail size of 20, overall length of 220 mm, overall width of 20 mm, and overall height of 19 mm. It features 6 rail holes and is identified by manufacturer part number 521H20A+220.

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 material handling equipment. It provides smooth, low-friction movement for machine slides, gantries, and robotic axes.

What are the specifications of the Thomson 521H20A+220 ball rail?

The Thomson 521H20A+220 is a steel profile ball rail with nominal rail size 20, overall length 220 mm, overall width 20 mm, and overall height 19 mm. It has 6 rail holes and is part of the Thomson 500 Series. The brand is THOMSON.

Where to buy Thomson profile ball rails worldwide?

You can source Thomson profile ball rails 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 the Thomson 521H20A+220.

How to install a Thomson profile ball rail?

To install a Thomson profile ball rail, ensure the mounting surface is clean and flat. Align the rail with the machine base, insert bolts through the 6 rail holes, and tighten to the manufacturer's recommended torque. Use a straightedge to verify alignment before securing fully.

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: 20, 340 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+340)
THOMSON
Profile Ball Rail: 20, 340 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+340)
Profile Ball Rail: 20, 1,240 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+1240)
THOMSON
Profile Ball Rail: 20, 1,240 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+1240)
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: 20, 1,000 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+1000)
THOMSON
Profile Ball Rail: 20, 1,000 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+1000)
Profile Ball Rail: 20, 3,000 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20ARL3000)
THOMSON
Profile Ball Rail: 20, 3,000 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20ARL3000)
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)

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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)
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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)
Profile Ball Rail: 20, 820 mm Overall Lg, 20 mm Overall Wd, 19 mm Overall Ht, Steel, 6 Rail Holes (MPN 521H20A+820)
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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)
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)