Keyed Pinion Shaft Oil Seal for FMC Bean L11/W11
This Keyed Pinion Shaft Oil Seal is the power-end oil seal at the keyed pinion shaft for FMC Bean L11 and W11 pumps. It retains lubricating oil in the power end and excludes contaminants where the shaft passes through the housing. It fits BEAN 435, L11, L1114SC, L1118SC, W11 and W1122BCD pumps and is supplied as an aftermarket replacement for FMC Bean part number 5257339. It weighs about 0.05 lb.
What it is
An oil seal retains lubricating oil in the power end and excludes contaminants where a shaft or rod passes through the housing.
Pump compatibility
- BEAN 435
- L11
- L1114SC
- L1118SC
- W11
- W1122BCD
Specifications
| Property | Value |
|---|---|
| Weight | 0.05 lb (≈ 0.02 kg, converted) |
| Width | 6.1 cm |
| Height | 6.1 cm |
| Depth | 1.1 cm |
Manufacturer technical notes
Keyed Pinion Shaft Oil Seal (L11/W11 Series, SKU 5257339), forged from ASTM F104 Type III fluoroelastomer (FKM) with composite frame via compression molding, operates at -20°C to 200°C, dynamic pressure ≤3500psi. API 7K certified for mud pump power ends, 35% enhanced sealing performance, compatible with FMC BEAN L11/W11 series.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing FMC Bean 5257339.
FAQ
- Which pumps does this oil seal fit?
- It fits BEAN 435, L11, L1114SC, L1118SC, W11 and W1122BCD pumps.
- What does this oil seal do?
- It retains lubricating oil in the power end and excludes contaminants where the keyed pinion shaft passes through the housing.
- What part number does it cross-reference?
- It is an aftermarket replacement that cross-references FMC Bean part number 5257339, listed for identification only and not indicating OEM manufacture.
Related parts
All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.
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