Timken NA12581-SW 90027 Tapered Roller Bearing Assembly 13/16 x 3 in Open Box - Unused
Timken NA12581-SW 90027 Tapered Roller Bearing Assembly 13/16 x 3 in Open Box - Unused
Share
Couldn't load pickup availability
✓ 30-day returns on every item — return policy
30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.
Shipping Estimate
⚡ Same-day shipping available — order by 11 am CT ($100 add-on at checkout)
✓ Free domestic UPS Ground shipping — applied automatically at checkout.
- Same-Day Available
- Real support team
- Secure checkout
The Timken NA12581-SW 90027 is a matched tapered roller bearing assembly combining the NA12581-SW cone with its corresponding double cup, sold as a complete set under assembly number 90027. The NA designation indicates a special-duty cone with enhanced cage construction. Confirmed dimensions are 13/16 in. (0.8125 in.) bore inside diameter and 3 in. outside diameter, sourced from active US market listing data. Cross-reference numbers associated with this assembly include K38958 and K312479. Tapered roller bearing assemblies in this configuration are used in industrial gearboxes, agricultural equipment, heavy vehicle axles, and power transmission applications requiring combined radial and axial load capacity. The item is presented in original Timken packaging with the factory oil-preserved wrapping intact around the bearing. The outer box displays Timken branding and confirms the Tapered Roller Bearings product line. Country of origin markings visible on the bearing face indicate USA manufacture. This assembly is identified by part number NA12581-SW 90027 and is consistent with Timken's inch-series tapered roller bearing product line.
Stock # 0426-01285

Frequently Asked Questions
Shipping & Handling
Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.
Returns & Condition
All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.
Payment Options
We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.