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Silver metal deep groove ball bearing, 90x190x43mm

NTN Bearings

NTN Bearings 6318 Deep Groove Ball Bearing 90x190x43mm

SKU CH-YQYW-JD8MQ

Deep groove ball bearing with 90 mm bore, 190 mm outer diameter and 43 mm width for radial and axial loads

  • Deep groove design handles radial and axial loads
  • 90mm bore fits standard shaft sizes
  • 190mm outer diameter supports heavy-duty applications
  • 43mm width provides stable load distribution

NTN 6318 Deep Groove Ball Bearing

The NTN 6318 is a precision deep groove ball bearing built for radial and moderate axial loads. Its steel construction suits electric-motor rebuilds, pump overhauls and general machinery maintenance where a 90 mm bore, 190 mm outside diameter and 43 mm width are specified.

Mechanics needing a direct 6318 replacement

This bearing fits applications that call for the exact 6318 envelope; buyers who need a different bore, a sealed variant or a higher load rating should look for an alternative part number.

How it compares

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

Price $94.99
Typical for this category: the median of 5,006 items is $95.99.

Specifications

Product
Brand nameNTN
Model nameNTN 6318

Questions about this item

What shaft diameter does the 90 mm bore of this 6318 bearing fit?

The 90 mm bore matches a 90 mm shaft, so the buyer must already have a shaft of that exact diameter for the bearing to mount correctly.

Will the 190 mm outer diameter and 43 mm width of this 6318 bearing fit the existing housing I plan to keep?

The housing must accept a 190 mm outside diameter and a 43 mm width; if the current housing matches those dimensions the bearing will seat properly alongside the older hardware.

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