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bearings & power
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Scots Bearings Ltd, Scotland’s official product partner of Dodge PT, offer market leading Dodge ISN Bearing Units, the only high-capacity double-row spherical roller bearing with an effective easy-on, easy-off adapter mounting and removal system.

Not only does this patented system provide a concentric grip for superior holding on the shaft, but it reduces the fretting corrosion caused by traditional setscrews and vibration.

Combine these features with the Dodge imperial bearings superior sealing systems and compact one piece, compact, industry-standard dimensioned housing and you have a family of mounted roller bearings which live up to its name.


Patented Sealing Options

An ineffective seal can allow contaminants to enter a bearing, which can cause failure. However, with imperial bearing inserts, there are two exclusive seals for maximum sealing protection.

Our proven Trident seals are extremely effective for dirty environments, low-to-medium speeds, and normal ambient conditions.

Made of nitrile material, this triple-lip rubbing seal has a low co-efficient of friction, and its seal land maintains full seal contact even when misaligned.

For high speeds and harsher ambient conditions, the imperial inserts offer labyrinth seals with corrosion resistant flingers and clearance steel seal carriers.


Imperial Spherical Roller Bearings

  • Patented Imperial “Push/Pull” adapter mounting system
  • Eliminates need for feeler gauges
  • Easy removal
  • Expansion & non-expansion, field convertible
  • Triple lip contact seals for wet or dirty applications
  • Labyrinth non-contact seals for high speed & high temperature applications

Patented adapter system van be installed or removed in 15minutes!

  • Clockwise rotation of the locknut pushes the tapered adapter sleeve between the shaft and bearing inner race, allowing quick metal to metal contact during initial installation.
  • Locknut is then further rotated for a pre-determined number of turns, properly reducing bearing clearance.  No feeler gauges are used.
  • Lock plate keeps locknut tight for dependable shaft attachment
  • Integral locknut-inner race design allows efficient removal of the sleeve from the bearing assembly via counter clockwise rotation of the locknut

Full Shaft contact virtually eliminates fretting and corrosion!

With Dodge Imperial bearings, you can remove the bearing from the shaft and immediately mount a new bearing on the same shaft without first reworking the shaft. Dodge Imperial bearings leave very few, if  any, markings on the shaft; and, with 360° of locking pressure, there is virtually no fretting corrosion, less heat, and less vibration.

In a head-to-head comparison test, with 3,000 lbs of radial load and speeds of 1150 RPM, a setscrew mounted bearing left shaft fretting corrosion after only 500 hours in service. But, even after 2500 hours in service, the Dodge Imperial bearing demounted quickly and revealed no shaft fretting corrosion or scarring.

For further information please contact your local branch.

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