Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
THOMSON SM30 External Seal, Steel/Rubber, 30 mm Shaft - Linear Bearing Seals
THOMSONLinear Bearing Seals

THOMSON SM30 External Seal, Steel/Rubber, 30 mm Shaft

The THOMSON External Seal: Closed Bearing Seal is a linear bearing seal made of Steel/Rubber. It is compatible with manufacturer part number SSEM30 and is designed for a 30 mm nominal shaft diameter. This seal is…

SKU 3G-OTH-121016

Also listed as: SM 30 · SM-30

Brand
THOMSON
Item
SM30 External Seal, Steel/Rubber, 30 mm Shaft
Part Number
SM30
Category
Linear Bearing Seals
Available to Order
Also known as:SM30THOMSON
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

THOMSON
Manufacturer Part Number
SM30
Type
Steel/Rubber, For 30 mm Nominal Shaft Dia, MAM30/SSEM30
Material
Steel/Rubber
Compatible with Manufacturer Part Number
SSEM30

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The THOMSON External Seal: Closed Bearing Seal is a linear bearing seal made of Steel/Rubber. It is compatible with manufacturer part number SSEM30 and is designed for a 30 mm nominal shaft diameter. This seal is identified by manufacturer part number SM30.

Frequently Asked Questions

What is the THOMSON External Seal SM30 used for?

The THOMSON External Seal SM30 is a closed bearing seal used to protect linear bearings from contaminants. It is designed for a 30 mm nominal shaft diameter and is commonly applied in industrial automation, packaging, and material handling equipment to extend bearing life.

What are the specifications of the THOMSON SM30 seal?

The THOMSON SM30 is a steel/rubber external seal for linear bearings. It fits a 30 mm nominal shaft diameter and is compatible with manufacturer part number SSEM30. The seal is identified by MPN SM30 and is designed for use with THOMSON MAM30/SSEM30 bearing housings.

Where to buy THOMSON SM30 seals worldwide?

3G Electric supplies the THOMSON SM30 external seal worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine THOMSON seal for your linear bearing application.

How to install the THOMSON SM30 external seal?

To install the THOMSON SM30 seal, first ensure the shaft and housing bore are clean. Press the seal evenly into the housing groove using a suitable arbor press or installation tool, taking care not to damage the rubber lip. Lubricate the seal lip before assembly for optimal performance.

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.
Not sure this is the right part? Photo-identify it→

THOMSON Products

3G Electric supplies THOMSON linear bearing seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from THOMSON

View all THOMSON parts →
Closed bearing seal for linear bearing applications. Constructed of steel and rubber, designed for use with a 1-inch nominal shaft diameter. Prevents contamination and retains lubrication in linear motion systems
THOMSON
Closed bearing seal for linear bearing applications. Constructed of steel and rubber, designed for use with a 1-inch nominal shaft diameter. Prevents contamination and retains lubrication in linear motion systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first