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PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

06/10/2021 - 07/10/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Precision combined roller bearing and steel profile

Precision combined roller bearing and steel profile

When we talk about “precision” in this context we are not talking about a tighter set of tolerances relevant to the internal construction of the full complement cylindrical roller bearing, but rather the tightening of the external running tolerance between the outside diameter of the combined roller bearing and the ‘mouth’ of the mating steel profile.

This is achieved by accurately milling the ‘mouth’ of the hot rolled steel section, which of course increases the dimension of the mouth, and then increasing the outside diameter of the bearing to reduce the running clearance from the normal clearance to a precision clearance. The tighter running tolerance between the bearing and the rail makes it suitable for applications requiring higher positional precision, whilst still offering the high load capacity of the combined roller system and the cost benefits over many other linear motion systems.

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