SKF KMT 4 20 × 40 × 18 mm

Precision lock nut with locking pins

RFQ

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EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.

Dimensions: 20x40x18mm

Overview

Precision lock nut with locking pins

KMT precision lock nuts are intended for applications where high precision, simple assembly and reliable locking are required. The three equally-spaced locking pins enable these lock nuts to be accurately positioned at right angles to the shaft. However, they can also be adjusted to compensate for slight angular deviations of adjacent components. Maximum axial run-out between the locating face and thread (up to size 40): 0.005 mm

Key features

No keyway required
Withstands high axial loads
Reliable, effective locking mechanism
Designed for frequent and simple installation and removal
Available for thread M 10x0.75 to M 200x3 (sizes 0 to 40) and Tr 220x4 to Tr 420x5 (sizes 44 to 84)

Typical applications

Motors, pumps, and fans
Reducers and industrial gearboxes
Conveyors and handling equipment
General industrial machinery maintenance

Selection guidance

Select by shaft diameter, load direction, speed, mounting space, sealing/lubrication condition, and compatibility with the existing part number.

Symbol	Value	Description
G	M 20x1	Thread designation
d	20 mm	Bore diameter
D	40 mm	Outside diameter
B	18 mm	Width

No keyway required
Can withstand high axial loads
Stable and effective locking mechanism
Designed for frequent and simple mounting and dismounting
Usable with threads M 10x0.75 to M 200x3 (sizes 0–40) and Tr 220x4 to Tr 420x5 (sizes 44–84)

Code	Description
고정 장치	Reflected in the lock nut
유압 장착 너트	No
관련 장착 도구	HN 5-6
제품 순 중량	0.107 kg
eClass 코드	23-11-07-05
UNSPSC 코드	31163218

datasheet pdf download

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