Original Bauer Spare Part for Slurry Pumps
Original Bauer pinion shaft bearing and sealing kit for the Bauer MAGNUM SM540 L4 and SM540 L4-M slurry pumps. It renews the angular contact ball bearings, shims and seals of the pinion shaft bearing arrangement.
Original Bauer part no.: 3442018. ProTesCa reference: PTC-000281.
Compatibility and Fitment
- Bauer MAGNUM SM540 L4
- Bauer MAGNUM SM540 L4-M
Bauer and FAN machines share the same engineering, so this part also fits the equivalent FAN model.
Not sure which part fits your machine? Send us the type plate details or serial number and we will check it for you.
Scope of Delivery and Installation
- 1 x Pinion Shaft Bearing Seal Kit MAGNUM SM540 L4/L4-M consisting of:
- 2 x O-ring
- 2 x shaft seal ring
- 3 x angular contact ball bearing
- 2 x shim washer
- 1 x bearing cover
- Further small parts as per the Bauer kit specification
- Weight approx. 1.98 kg
Press bearings on via the correct ring only and fit shaft seal rings with the sealing lip facing the right way, as shown in the Bauer service documentation. Always fit all supplied seals instead of reusing old ones.
Buying Guide
Check the Bauer part number 3442018 in your spare parts list before ordering, and inspect the shaft running surfaces for wear while the unit is dismantled.
Genuine Parts, Fast Shipping and Expert Support
ProTesCa supplies genuine Bauer spare parts sourced directly from the manufacturer. All prices are net prices excluding VAT. We ship across Germany and Europe and our team helps with part identification and technical questions.


About the Producer

BAUER Group is an Austria-headquartered global technology leader in irrigation, slurry handling, and environmental engineering solutions. With decades of industrial expertise and continuous innovation, the company delivers high-performance systems designed to optimize agricultural productivity and resource efficiency worldwide. Its comprehensive portfolio spans irrigation systems, slurry management equipment, pumping technology, and advanced separation solutions for professional agricultural and industrial markets.
Engineered and manufactured in Europe under stringent quality standards, BAUER systems are built for durability, operational reliability, and long service life in demanding field conditions. Backed by strong in-house development capabilities and a global service network, the group combines Austrian engineering tradition with international execution power. The result is future-oriented solutions that integrate technical precision, operational efficiency, and sustainable resource management.
FAQ
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Contact our Customer support
Tel: +49 2591 94 86 21
E-Mail: support@protesca.com

Which separators is this compatible with?
This screen basket fits FAN screw press separators, model
Are other slot widths available?
Yes – 0.50 mm, 0.75 mm, and 1.00 mm.
Do you also offer screen baskets for other separator brands?
Our range includes screen baskets for Stallkamp, Börger, Bauer, CRI-MAN, EYS, Anaergia Technologies, Moosbauer, Agrikomp, Paulmichl, and Cri-Man.
Do you offer custom-made screen baskets?
Yes – we also produce bespoke versions for special requirements.








