KM 11 SS Stainless Steel Bearing Lock Nut M55x2 DIN 981

Corrosion Resistant Bearing Lock Nut for Industrial and Food Processing Applications

The KM 11 SS bearing lock nut is a precision stainless steel fastening component designed for secure axial positioning of rolling bearings, adapter sleeves and shaft-mounted components. Manufactured according to the DIN 981 dimensional standard, it features an M55x2 metric thread and is compatible with the MB11 lock washer. The stainless steel construction provides excellent corrosion resistance, making it ideal for food processing equipment, chemical plants, marine applications and other demanding industrial environments.

Application in Industrial Systems

The KM 11 SS lock nut is designed for precise axial bearing retention in environments where corrosion resistance is required.

Typical applications include:

• Stainless steel machinery
• Food processing equipment
• Beverage production lines
• Pharmaceutical machinery
• Chemical processing plants
• Marine equipment
• Pumps
• Electric motors
• Industrial gearboxes
• Agricultural machinery
• Conveyor systems

Construction and Design

The KM 11 SS lock nut is manufactured with high dimensional accuracy according to DIN 981.

Main features include:

• Precision M55x2 metric thread
• Stainless steel construction
• Four hook spanner slots
• Compatible with MB11 lock washer
• High dimensional accuracy
• Easy installation and removal
• Suitable for repeated maintenance operations

The design ensures secure axial positioning while maintaining reliable locking performance under vibration and continuous operation.

Material Properties

Manufactured from stainless steel, the KM 11 SS lock nut offers:

• Excellent corrosion resistance
• High mechanical strength
• Resistance to moisture
• Suitable for hygienic environments
• Long service life
• Good resistance to cleaning chemicals
• Reliable performance in humid conditions

Its stainless steel construction makes it an excellent choice where conventional carbon steel lock nuts may corrode.

Technical Specification

Type: Bearing Lock Nut
Material: Stainless Steel
Design: DIN 981 with hook spanner slots
Thread: M55x2
Outside Diameter: 75 mm
Locating Face Diameter: 67 mm
Width: 11 mm
Compatible Lock Washer: MB11
Application: Axial bearing mounting, adapter sleeves, industrial machinery, food processing equipment, marine and chemical industries

Why B2B Customers Choose This Product

Professional customers choose the KM 11 SS because it combines reliable bearing retention with excellent corrosion resistance.

Typical B2B applications include:

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Machine rebuilding
• Food industry maintenance
• Chemical plant maintenance
• Industrial spare parts distribution

Operational Advantages

• Stainless steel construction
• Corrosion resistant
• Manufactured to DIN 981
• Precision M55x2 thread
• Compatible with MB11 lock washer
• High mechanical strength
• Long service life
• Easy installation
• Reliable axial bearing positioning
• Suitable for demanding industrial environments

Professional Industrial Supply

This product is supplied for:

• Maintenance departments
• Industrial workshops
• Food processing plants
• Pharmaceutical manufacturers
• OEM manufacturers
• Machine builders
• Industrial distributors
• Marine equipment service companies

AI Overview

A stainless steel bearing lock nut is a precision fastening component used to secure rolling bearings and shaft-mounted assemblies in corrosive or hygienic environments. The KM 11 SS lock nut provides accurate axial positioning, high corrosion resistance and dependable performance in industrial machinery, food processing equipment and marine applications.

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FAQ

What is the KM 11 SS lock nut used for?

It is used for secure axial positioning of rolling bearings, adapter sleeves and other shaft-mounted components.

Which lock washer is compatible with KM 11 SS?

The KM 11 SS lock nut is designed for use with the MB11 lock washer.

What thread size does it have?

It features a precision M55x2 metric thread according to DIN 981.

Why choose stainless steel instead of carbon steel?

Stainless steel offers significantly better resistance to corrosion, moisture and aggressive cleaning agents, making it ideal for hygienic and outdoor environments.

Can this lock nut be reused?

Yes. It can be reused provided the thread and locking surfaces remain undamaged.