Baldwin Filters
Baldwin Filters B40050 Hydraulic Spin-On Filter 4" O.D
A hydraulic spin-on filter with a 0.001 micron rating and M27 x 2.0 threads
- Spin-on design simplifies filter changes
- 001 micron rating captures fine contaminants
- 4 inch outside diameter fits compatible housings
- M27 x 2.0 thread ensures secure sealing
- Attached gasket included for leak-free installation
Product Identity
The Baldwin Filters B40050 is a hydraulic spin-on filter built for machinery maintenance. It suits technicians and plant operators who need a direct replacement cartridge with a 4 inch outside diameter and M27 x 2.0 thread.
Included Components
An attached gasket ships with the filter so no separate seal is required. The spin-on design allows the cartridge to be swapped without special tools, reducing service time on compatible hydraulic circuits.
Installation Notes
Thread the filter onto the M27 x 2.0 port by hand until the gasket contacts the base, then tighten per standard practice. The 0.001 micron rating demands clean handling to avoid contaminating the media. Installers without the correct thread pitch or clearance will find the unit will not seal.
Highlights
- Spin-on design simplifies filter changes
- 001 micron rating captures fine contaminants
- 4 inch outside diameter fits compatible housings
- M27 x 2.0 thread ensures secure sealing
- Attached gasket included for leak-free installation
Specifications
| Brand | BALDWIN FILTERS |
|---|
Questions about this item
How often should I replace the B40050 filter element based on its .001 micron rating?
Replace the spin-on element according to your equipment manufacturer's service interval; the .001 micron rating indicates fine particle capture but does not set a fixed change period.
What pressure limit does the M27 x 2.0 thread connection handle before leaking under sustained flow?
The M27 x 2.0 thread seals with the attached gasket; maximum operating pressure is determined by the housing and system design, not the thread size alone.
Does the 4 in outside diameter housing run hot or add noticeable restriction during all-day hydraulic operation?
The 4 in O.D. housing with 6 7/8 in height is sized for normal hydraulic flow; temperature rise and restriction depend on system pressure, fluid viscosity and filter loading.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.



