Timken
Timken 309KDD radial ball bearing 45 mm double shielded
Single-row radial ball bearing with 45 mm bore, 100 mm outside diameter and double steel shields rated to 3,448 RPM
- 45 mm bore fits standard shafts
- Double steel shields keep contaminants out
- 13,400 lb dynamic load handles heavy radial forces
- 7,100 lb static load supports stationary weight
- 3,448 RPM max speed suits high-speed applications
Timken 309KDD 45 mm Radial Ball Bearing
The Timken 309KDD is a new single-row radial ball bearing with a 45 mm bore and 100 mm outside diameter. It uses double steel shields and a snap-ring retainer to hold Chevron SRI 2 grease. The steel cage and ABEC 1 tolerance suit general industrial power-transmission duties.
Suits shafts needing 45 mm bore and moderate speeds
This bearing fits applications that require a 45 mm bore, 25 mm width and a 3,448 RPM limit. It is not for buyers who need higher dynamic loads than 13,400 lb or static loads above 7,100 lb. It also does not suit environments outside the -60 to 200 degrees F range or designs that demand a higher precision class.
Fits housings with 100 mm bore and 25 mm width
The unit slides into a housing machined for a 100 mm outside diameter and 25 mm width. The snap-ring groove locates the bearing axially, freeing the designer from separate circlips or shoulders. Double shields keep contamination out while retaining the factory grease fill.
Highlights
- 45 mm bore fits standard shafts
- Double steel shields keep contaminants out
- 13,400 lb dynamic load handles heavy radial forces
- 7,100 lb static load supports stationary weight
- 3,448 RPM max speed suits high-speed applications
Specifications
No published specifications for this item yet.
Questions about this item
What shaft diameter is required for the 45 mm bore of this 309KDD bearing?
The bearing fits a 45 mm shaft; the bore diameter is exactly 45 mm.
Will the 100 mm outside diameter and 25 mm width match the housing and spacing of my existing 309-series bearing?
Yes, the 100 mm outside diameter and 25 mm width are standard for the 309 series, so it drops into the same housing and axial space.
How can I confirm the bearing is running correctly after installation?
Verify smooth rotation by hand, listen for abnormal noise, and ensure operating temperature stays within the -60 °F to 200 °F range and speed does not exceed 3,448 RPM.
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