Running gear
Main bearings, connecting rod bearings and crankshaft parts
Bearing work is measured in microns, so the part has to be right the first time. We supply main, connecting rod, crosshead and thrust bearings, plus shims, bolts and crankshaft components.
- Single unit or complete kit
- OEM and verified alternatives
- Certificate with shipment
- Quotation in one business day
Components
What we supply
Bearing enquiries almost always come with a measurement: ovality, clearance, or a wear reading from the last survey. That is useful, because it lets us match the shell to the actual journal rather than to the drawing alone. Where a journal is undersize, we quote the matching oversize shell instead of letting you fit a standard one.
| Component | Function | Supply notes |
|---|---|---|
| Main bearing shell | Supports the crankshaft | Thin-wall, standard or oversize |
| Connecting rod bearing | Big end bearing | Matched pairs, standard or oversize |
| Crosshead bearing | Two-stroke crosshead guide | Shell set with white metal |
| Thrust bearing pad | Takes axial load from the propeller | Pad set, matched to collar |
| Crankpin and journal | The running surfaces | New or reconditioned to size |
| Shims and adjustment plates | Set bearing clearance | Laser-cut to thickness |
| Bearing bolts and studs | Clamp the bearing housing | New, with material certificate |
| Deflection and wear gauges | Measure crankshaft condition | Replacement instruments |
Specification
Typical range and what ships with the part
To quote accurately
What we need from you
- 1. Engine make and type
For example MAN B&W 6S50MC-C, or Wärtsilä 6L32. - 2. Part number
From the manual, the invoice, or stamped on the old part. - 3. Quantity and destination
One unit or a set, and the port or city for delivery. - 4. A photo, if the number is gone
The worn part, the nameplate or a drawing with dimensions.
Questions
Before you enquire
Can you supply oversize bearings from a journal measurement?
Yes. Send the measured journal diameter and the standard diameter from the manual, and we quote the matching oversize shell. Fitting a standard shell to an undersize journal is the most common reason a new bearing fails early.
Do shells come with a wall thickness report?
Every set ships with a dimensional report showing wall thickness per shell. For a main bearing that is what tells you the clearance before you torque anything.
Do you supply complete engine sets?
Yes, and they are usually cheaper per shell than buying individually. For a full set we also check that all shells come from the same production lot, which matters for consistent clearance.
Related
Other systems we supply
Request a quotation
Tell us what you need
One part number is enough to start. Drawings, photos and nameplate details all help us confirm the match.
Tell us what you need
We reply by email, usually within one business day.