Cone & Cup
- Cone: the inner ring assembly
- Cup: the matching outer ring
- Separate numbers listed for each part
Identification & Repair Sourcing Notes
Practical guidance from Transmission Repairs Company for repair managers, mechanical engineers and technical buyers: identify the right Timken part, keep cone and cup details clear, and request complete assemblies correctly.
Inch and metric Timken series
What These Notes Cover
Correct Timken sourcing depends on three details: a confirmed cone and cup pair, the right inch or metric series, and the complete assembly number for matched or multi-row arrangements.
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Latest Notes
These guides help heavy equipment, truck, fleet and transmission repair teams check part numbers and buy the right Timken bearings for the job.
Technical Resources ·
Master tapered roller bearing nomenclature to prevent costly mismatches in heavy-duty applications. Learn why machined brass cages outperform stamped steel under shock loads and…
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Technical Resources ·
Stop premature bearing failures by using a tapered bearing load rating calculator to determine the true equivalent dynamic load. Basic ratings alone ignore combined…
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Technical Resources ·
Selecting the correct wheel bearing grease requires matching the NLGI consistency grade to specific operating temperatures, rotational speeds, and load conditions rather than arbitrarily…
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Technical Resources ·
Stop relying on static catalog numbers for Tapered Bearing Adjustment Values that cause thermal lock-up in harsh environments. Learn to dynamically calculate clearance based…
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Technical Resources ·
Stop costly spindle failures by mastering Timken tolerance classes 4, 2, 3, 0, and 00. Learn to match precision grades to shaft fits instead…
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Technical Resources ·
Master Inch Tapered Bearing Dimension Tables for LM, HM, and L series to prevent catastrophic field failures caused by selection errors. Verify bore, outer…
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Technical Resources ·
Stop guessing with the Trailer Bearing Size Chart by Axle Capacity and prevent catastrophic axle failure through precise load matching. Learn to calculate dynamic…
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Technical Resources ·
Prevent equipment seizure with the Tapered Roller Bearing Set Number Chart 1-100, the definitive tool for identifying matched cone and cup pairs. Accurate cross-referencing…
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Installation & Maintenance ·
Distinguish wheel bearing noise from tire noise to prevent costly misdiagnoses and unnecessary part replacements. Learn how pitch changes relative to speed and road…
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Installation & Maintenance ·
Mixing tapered roller bearing cup and cone from different brands creates dimensional mismatches that cause edge loading and rapid heat generation. Sourcing complete matched…
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Written Quote
Transmission Repairs Company supplies inch and metric Timken bearings to repair shops, distributors and equipment operators worldwide, from single replacements to complete repair sets.
"When we had a gearbox failure on a mining conveyor, we needed Timken spherical roller bearings urgently. They identified the correct Timken reference from our old bearing, shipped same-day, and the gearbox was back up in under a week. That kind of response saves money in downtime."