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Silver metal deep groove ball bearing with dual rubber seals

NTN Bearings

NTN Bearings 6217LLB Deep Groove Ball Bearing 85x150x28mm

SKU CH-8DM4-GJHDF

Deep groove ball bearing with 85 mm bore, 150 mm outside diameter and 28 mm width

  • Deep groove design handles radial and axial loads
  • Double rubber seals (LLB) keep lubricant in and contaminants out
  • 85 mm bore fits standard 85 mm shafts
  • 150 mm outer diameter matches common housing sizes

NTN 6217LLB Deep Groove Ball Bearing

The NTN 6217LLB is a deep groove ball bearing built to metric dimensions of 85x150x28mm. It suits maintenance teams and electricians who need a direct replacement for worn units in motor shafts or gear assemblies. The sealed LLB design keeps lubricant in and contaminants out during daily operation. Buyers who require a different bore or shield type will need another part.

Thermals noise and power draw

As a passive rolling element the bearing generates no electrical noise and draws no power of its own. Heat rises only from friction under load and speed, so normal temperatures stay low when the fit and lubrication are correct. No fan or active cooling is involved, making silent running inherent to the design. Installers should verify shaft and housing tolerances to avoid excess drag.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $82.99
Cheaper than about 59% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameNTN
Model nameNTN 6217LLB

Questions about this item

How do I press the 6217LLB bearing onto an 85 mm shaft without damaging the seals?

Use a sleeve that contacts only the inner ring and apply even pressure; forcing through the outer ring or tapping the 150 mm outside diameter will crush the LLB seals.

What indicates the 6217LLB needs replacement in an electrician's tool?

Rough rotation, audible rumble or visible grease leakage past the LLB seals mean the internal clearance has been lost and the bearing must be swapped.

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