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THOMSON SM40OPN External Open Bearing Seal, Steel/Rubber, 40 mm Shaft - Linear Bearing Seals
THOMSONLinear Bearing Seals

THOMSON SM40OPN External Open Bearing Seal, Steel/Rubber, 40 mm Shaft

The THOMSON External Seal: Open Bearing Seal is a linear bearing seal designed for 40 mm nominal shaft diameters. Constructed from steel and rubber, this seal is compatible with the THOMSON MAM40 and SSEM40 bearing…

SKU 3G-OTH-121082

Brand
THOMSON
Item
SM40OPN External Open Bearing Seal, Steel/Rubber, 40 mm Shaft
Part Number
SM40OPN
Category
Linear Bearing Seals
Available to Order
Also known as:SM40OPNTHOMSON
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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
SM40OPN
Type
Steel/Rubber, For 40 mm Nominal Shaft Dia, MAM40/SSEM40
Material
Steel/Rubber
Compatible with Manufacturer Part Number
MAM40

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

Product Description

The THOMSON External Seal: Open Bearing Seal is a linear bearing seal designed for 40 mm nominal shaft diameters. Constructed from steel and rubber, this seal is compatible with the THOMSON MAM40 and SSEM40 bearing models (MPN SM40OPN). It serves as an external seal for open-style linear bearings.

Frequently Asked Questions

What is the THOMSON External Seal SM40OPN used for?

The THOMSON External Seal SM40OPN is a linear bearing seal used to protect open-style linear bearings from contaminants. It is designed for 40 mm nominal shaft diameters and is compatible with THOMSON MAM40 and SSEM40 bearing models, extending service life in industrial automation and material handling equipment.

What are the specifications of the THOMSON SM40OPN seal?

The THOMSON SM40OPN is an external open bearing seal made from steel and rubber. It fits a 40 mm nominal shaft diameter and is compatible with THOMSON MAM40 and SSEM40 bearing models. The manufacturer part number is SM40OPN, and the material construction provides durability and contamination resistance.

Where to buy the THOMSON SM40OPN seal worldwide?

3G Electric supplies the THOMSON SM40OPN external seal worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this seal to support your linear bearing maintenance needs.

How to install the THOMSON SM40OPN external seal?

To install the THOMSON SM40OPN seal, first ensure the shaft and bearing housing are clean. Slide the seal over the 40 mm shaft and position it against the open side of the THOMSON MAM40 or SSEM40 bearing. Press evenly to seat the steel/rubber seal. Follow standard linear bearing seal installation practices for best results.

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.
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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.

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