Timken
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.
Highlights
- 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
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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