How does shipping work for orders on MRO Exchange?

Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

What payment methods does MRO Exchange accept?

MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Timken 30307M 9KM1 Tapered Roller Bearing 35 x 80 x 22.75 mm Open Box - Unused

$18.99 USD

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✓ 30-day returns on every item — return policy

ConditionOpen Box - Unused MPN30307M 9KM1 Stock #0426-01304

30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.

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⚡ Same-day shipping available — order by 11 am CT ($100 add-on at checkout)

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The Timken 30307M IsoClass tapered roller bearing is a single-row metric tapered roller bearing with a bore diameter of 35 mm, outer diameter of 80 mm, and an overall width of 22.75 mm. The cone width is 21 mm and the cup width is 18 mm. This bearing is sold as a complete assembly including the cone (inner ring), cup (outer ring), and roller cage. The assembly number is 30307M-9\KM1 as marked on the original Timken IsoClass packaging. Tapered roller bearings of this type are engineered to handle combined radial and axial loads simultaneously. The tapered geometry of the rollers and raceways allows load to be distributed along the full roller length, making this design well suited for shaft and gearbox applications subject to thrust and radial forces. The 30307 metric series follows ISO dimensional standards, making this bearing interchangeable with same-designation units from other ISO-compliant manufacturers. Timken is a US-based manufacturer recognized as a premium supplier in the tapered roller bearing market. This unit is in original Timken IsoClass packaging.

Stock # 0426-01304

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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.