We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Timken 308WDDN radial ball bearing 6308 double shielded metal finish

Timken

Timken 308WDDN Radial Ball Bearing 6308 Double Shielded Collectible

SKU CH-TMR9-1B4P5

Radial ball bearing with 40 mm bore, 90 mm outside diameter and double shields

  • Product typeBearings, V-belts & Power Transmission Equipment
  • Product colorTransparent
  • 40 mm bore fits standard 6308 housings
  • 90 mm outside diameter matches industry dimensions
  • Double shields protect rolling elements from contaminants
  • 64 400 N dynamic load rating handles heavy radial forces
  • Alloy-steel rings and balls resist wear under load

What It Is

Timken 308WDDN is a new double-shielded radial ball bearing carrying industry number 6308. It is built from alloy-steel rings and balls with a steel cage and Quaker Ferrocote lubricant. The unit suits collectors of industrial hardware and maintenance teams needing a direct 6308 replacement.

Who It Suits

Buyers who want a metric 6308 bearing with 40 mm bore, 90 mm outside diameter and 23 mm outer-ring width will find the correct dimensions here. The ABEC-1 rating and +0/-0.012 mm bore tolerance meet standard interchange requirements. Collectors who need a different closure type, a higher precision class or a non-metric series should look at something else.

Dynamic Radial Load Capacity 64 400 N

The bearing carries a dynamic radial load capacity of 64 400 N, which determines whether it can handle the forces in a given application. A 1.5 mm fillet radius and the absence of a retaining ring are also fixed by the 6308 envelope. Match these figures to the design load before fitting.

How it compares

Measured against everything we stock in Fan Collectibles & Memorabilia, at today’s prices. Recalculated every night.

Price $109.99
Pricier than about 90% of the 1,367 comparable items (median $26.99).

Specifications

Product
Brand nameTIMKEN
Product typeBearings, V-belts & Power Transmission Equipment
Product colorTransparent

Questions about this item

How do I press the 40 mm bore onto the shaft without damaging the 1.5 mm fillet radius?

Use a sleeve that contacts only the inner ring and apply even pressure until the bearing seats against the shaft shoulder; never hammer the outer ring or shields.

When will the Quaker Ferrocote lubricant need replenishment on this 6308 bearing?

The double shields retain the factory grease for the bearing's rated life under normal loads; relubrication is not practical without removing the shields.

At what load does the 64 400 N dynamic capacity limit appear during continuous operation?

Sustained radial loads approaching 64 400 N will reach the dynamic rating first, reducing calculated life; keep actual loads well below this value for longevity.

More in Fan Collectibles & Memorabilia

Similar items