Timken 307K 35 mm single-row ball bearing
Single-row ball bearing with 35 mm bore, 80 mm outside diameter and 21 mm width
- 35 mm shaft fit for direct replacement
- 80 mm outside diameter matches housing specs
- 21 mm width allows standard spacing
- C3 clearance reduces operating friction
35 mm single-row ball bearing
The Timken 307K is a medium-series single-row ball bearing designed for 35 mm shaft diameters. It features an 80 mm outside diameter and a 21 mm width with standard capacity. The open construction uses C3 normal clearance and meets ABEC 1 tolerances. It suits general power transmission and machinery applications.
Fits 35 mm shafts in standard machinery
This bearing suits maintenance teams replacing a 307K unit or builders specifying a 35 mm bore with standard load rating. It is not for applications requiring sealed or shielded contamination protection. Buyers needing higher precision than ABEC 1 or a different internal clearance class should look at other specifications.
How it compares
Measured against everything we stock in Bearings, Belts & Drive Components, at today’s prices. Recalculated every night.
- Price $51.99
- Pricier than about 63% of the 693 comparable items (median $35.99).
Specifications
No published specifications for this item yet.
Questions about this item
What shaft diameter does the 307K bearing need to fit onto?
The bearing is made for a 35 mm shaft, so the shaft must match that size for a proper fit.
Will the 80 mm outside diameter of the 307K match the housing bore on my older equipment?
The 80 mm outside diameter is a standard medium-series dimension; if the existing housing bore is also 80 mm the bearing will seat correctly.
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