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A major UK bakery was experiencing regular bearing failures on their Mecatherm Dough Mixer. Bearings needed to be replaced every 2 to 3 months resulting in high maintenance cost and loss of production.
NSK reviewed the bearing application and recommended NSKHPS Spherical Roller Bearings. This improved bearing life significantly by 3 to 4 times and therefore reduced unplanned downtime.

Key Facts

  • 2 Mecatherm Dough Mixers in use
  • Dough Mixer application requires heavy load capacity together with bearings that can accomodate swashing caused by shaft deflection
  • Original bearings only lasted between 2-3 months due to application conditions
  • NSK Solution: NSKHPS (High Performance Standard) Spherical Roller Bearings ideal for heavy loads
  • Bearing life extended by 3 to 4 times
  • Reduced maintenance requirements resulting in a significant cost savings
  • Dough Mixer
Spherical Roller Bearing
  • NSKHPS Spherical Roller Bearings

Value Proposals

  • NSK Engineers reviewed bearing application including an analysis of the failed bearings
  • Recommended NSKHPS Spherical Roller Bearings
  • A trial of NSKHPS bearings resulted in increased bearing life by 3 to 4 times

Product Features

  • Highest load rating SRB's
  • Optimum raceway design & surface finishing
  • Brass cage design (CAM) or strengthened steel cage (EA)
  • High cleanliness Z-steel
  • Temperature stability: up to 200° C
  • 40 mm to 260 mm bore size
  • Up to twice the operating life
  • Up to 20% higher limiting speed
  • Dynamic load rating: 25% higher
  • Lower maintenance cost and improved productivity
  • High load rating enables downsizing

Cost Saving Breakdown

Before Cost p.a. NSK Solution Cost p.a.
Lost production: 12hrs x $640/hr x 8/year $61,440 Lost production: 12hrs x $640/hr x 2/year $15,360
Labor cost: $24/hr x 24hrs x 8/year $4,608 Labor cost: $24x 24 hrs x 4/year $2,304
Bearings costs $921 Bearings costs $460
Engineering support $2,391 Engineering support $0
Total Costs $69,360 $18,124



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