FAG KM17

FAG KM17 Lock Nut

Description

The FAG KM17 is a precision-engineered lock nut, designed for securing bearings and other components onto a shaft. It conforms to DIN 981 standards and features four equally spaced slots on its circumference for tightening with a hook spanner. This component is crucial for preventing axial loosening of bearings, ensuring operational stability and longevity in machinery.

Specifications

• Manufacturer: FAG
• Part Number: KM17
• Thread Size: M85x2
• Outer Diameter: 110 mm
• Width: 14 mm
• Material: Steel
• Standard: DIN 981
• Recommended Lock Washer: MB17

Label Info

• Brand: FAG
• Model: KM17
• EAN: 4012801052580
• Part Code: 28061200

Application

Used extensively in mechanical engineering, automotive industries, and general machine construction for mounting tapered bore bearings or withdrawing them from tapered shafts and adapter sleeves.

Country of Origin

Germany

CO2 Impact

Opting for this pre-owned lock nut saves approximately 0.8 kg of CO2 compared to a new production. This saving is equivalent to the emissions from driving a standard car for 4 kilometers.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the correct locking washer for the FAG KM17 lock nut?

The FAG KM17 is designed to be used with an MB17 lock washer. The washer’s inner tab fits into a keyway on the shaft, and one of the outer tabs is then bent into a slot on the nut to secure it.

What is the standard tightening procedure for a KM series lock nut?

Tightening should be done using a suitable hook spanner (e.g., DIN 1810). The nut should be tightened to remove clearance, then slightly loosened before being secured to the specified torque or angle to achieve the correct bearing preload. Always consult the machine’s maintenance manual for specific values.

Is the H.GP marking on the nut significant for its application?

The ‘H.GP’ marking typically indicates manufacturing details such as the production plant or a specific material treatment process. For standard applications, it does not affect the form, fit, or function, which are defined by the ‘KM17’ designation according to DIN 981.

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Last Update: Friday, March 13, 2026