GN 000.5 Coupling attachments for safety handwheels, with needle bearings

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Product description

Information

The use of needle bearings and the hardened bearing surfaces make the clutch engagement extremely easy. This is also assisted by the finer teeth of the clutch and the increased length of the coupling attachment.

Its suitability for high shaft speeds, especially when these are maintained for long periods, is a further advantage of the needle bearing.

An oil-hole is provided which in the completely assembled safety handwheel connects with the wheel hub.

Specification

Steel
hardened

Bearing surfaces ground


RoHS

Technical drawing

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GN 000.5 Coupling attachments for safety handwheels sketch

Article options / Table

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No.d1
Ø Handwheel
GN 321
GN 322
GN 323
d2 H7
Bore
with
keyway
d3d4 max.
see
GN 321.4
GN 322.4
GN 323.4
d5
Minimum Ø
of
handwheel
hub
d6 -0,05
Bore
diameter
of hub
d6 H7
l1l2 ±0,1
Length of
handwheel hub
l3tmin.
see
GN 321.4
GN 322.4
GN 323.4
1125K 1229172925421812264
1140K 1229172925421912264
2140K 1433213329481914304
2160K 1433213329482014304
3200K 1839263935502413364
4250K 2246304641542813424

Build & Price

Size no.
Bore d2

Application Guide

The relevant health and safety at work provisions state that handwheels must be attached to spindles such that they are not turned along together with the machine drive assembly. Safety handwheels meet this requirement:

- If not in operation, the wheel is disengaged. Shifting it in axial direction (pushing or pulling) will intermesh two serrated bushings, formlocking the wheel with the shaft.

- After releasing, the wheel will disengage again automatically.

A number of user notices are listed below. These notices are non-binding and given without liability. They do not constitute a warranty of proper function. The user must in any case determine whether the safety handwheels are suitable for the intended purpose and use.

The details given under 1. above apply in principle also to these safety handwheels.
With their needle bearings, they have the advantage over friction bearings that they can be used for somewhat higher speeds due to their substantially lower friction, lower wear and tear and lower sensitivity to lubrication.
Owing to their larger construction length and lower friction (hardened contact surfaces) and finer intermeshing, these wheels are also easier to engage.

Selected Part (How to order)

Weight: 0,130 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 Euro -> 10 % discount
from 275,00 Euro -> 20 % discount
from 375,00 Euro -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

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