Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Product Designation | B2 seal type and metric dimensions | B2 330 x 370 x 18 |
| Store Catalog Identifier | Existing inventory identifier | B2330-370-18 |
Excavator Spare Parts
B2 330 x 370 x 18 mm NBR Metal-Cased Radial Shaft Oil Seal for Industrial Gearboxes
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OEM / referenceB2 330 x 370 x 18
SpecificationMetal-Cased NBR Radial Shaft Oil Seal
Catalog ID51095364
Large-diameter B2 radial shaft oil seal with a 330 mm shaft diameter, 370 mm housing diameter and 18 mm width. The B2 design uses a closed metal outer casing, internal stiffening plate and spring-loaded sealing lip for rigid industrial installations. Confirm shaft finish, housing bore, operating fluid, temperature and elastomer compatibility before ordering.
- Product Type
- Radial Shaft Oil Seal
- Product Brand
- EexcavaStart
- Design
- B2 closed metal outer casing with stiffening plate
- Shaft Diameter
- 330 mm
- Housing Diameter
- 370 mm
- Width
- 18 mm
- Sealing Material
- NBR
- Condition
- New replacement part
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
Other documented relationship
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Metal-Cased NBR Radial Shaft Oil Seal
- Category
- Excavator Spare Parts
- Catalog ID
- 51095364
- Photo views
- 6
Before ordering
Confirm these details
- Match the complete part number on the original component.
- Compare connectors, mounting points and visible dimensions with the product photos.
- Confirm the exact machine or engine model and serial range before ordering.
Machine fitment
Compatible model references
2 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Common questions about B2 330 x 370 x 18
Which machines use B2 330 x 370 x 18?
Recorded compatible model references include Equipment type: Industrial gearboxes, axles and heavy machinery using the stated seal size, Fitment limitation: Confirm shaft, bore, fluid, temperature and elastomer compatibility. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for B2 330 x 370 x 18?
No alternate number is listed for B2 330 x 370 x 18. Send the original nameplate for an alternate-number check.
How do I confirm B2 330 x 370 x 18 before ordering?
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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