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SKU: BRG-30205

30205 Tapered Roller Bearing | OEM Replacement Bearing

30205 Tapered Roller Bearing (Open (typical)). OEM replacement bearing for common industrial and general-purpose applications. Submit an RFQ for fast sourcing.

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30205 Tapered Roller Bearing – OEM Replacement

Overview

The 30205 tapered roller bearing is a widely used OEM replacement style for applications that need strong combined load capacity. Tapered rollers support radial loads while also carrying significant axial loads in one direction, making them ideal for hubs, gearboxes, and rotating assemblies with thrust forces.

Applications

Common applications include wheel hubs, industrial gearboxes, machine tool assemblies, agricultural equipment, and any mechanism where preload or endplay adjustment is part of the design. Tapered rollers are chosen when a standard ball bearing isn’t sufficient for thrust or shock loading.

Compatible Machines

You’ll see 30205 bearings in compact transmissions, reduction gear assemblies, and hub-type mechanisms. Because tapered bearings are typically installed as a matched arrangement (opposed pair), correct setup is critical for life and temperature control.

Technical Specifications

  • Bore (ID): 25 mm (typical for 30205 series)
  • Bearing type: single row tapered roller bearing (cone + cup)
  • Handles combined radial and axial loads
  • Often used with adjustable preload/endplay
  • Material: bearing-grade steel
  • Lubrication: grease or oil depending on assembly

Cross References

Cross references include 30205 and related manufacturer codes for cone/cup sets. If your bearing is supplied as separate components, confirm both the cone and cup numbers. Equivalent series may exist depending on internal geometry and load ratings.

Replacement Information

Confirm the exact designation and whether you need a bearing set (cone + cup). During replacement, inspect the shaft and housing seats, replace damaged races, and set preload/endplay per the equipment manual. Use appropriate grease/oil and re-check adjustment after initial run-in when applicable.

Why Source With Us

We source OEM replacement tapered roller bearings and can help match cone/cup sets, internal geometry, and lubrication requirements. Submit an RFQ with your assembly details and we’ll quote the correct components and suitable alternates when needed.

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Quick FAQ

What does the suffix mean? Common suffixes include ZZ (metal shields) and 2RS (rubber seals). Seals help retain grease and exclude contamination.

How do I confirm fit? Match the bearing designation, bore size, OD, and width. If your old bearing has an extra internal clearance suffix (like C3), keep that specification.

Can I upgrade quality? Yes—use premium grades for higher speeds, higher temperatures, or continuous-duty service.

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FAQ

You can identify a replacement industrial part by matching key specifications such as dimensions, mounting style, material, load capacity, voltage, speed rating, and application. Many industrial components can be sourced by size and performance specifications even if the original part number is unknown. Providing measurements, photos, or equipment model information can help ensure accurate identification and compatibility.

Yes. Many industrial components — including bearings, seals, belts, motors, and fasteners — can be identified using inside diameter, outside diameter, width, thread size, or mounting pattern. Matching exact dimensions is one of the most reliable methods for finding equivalent or replacement parts when a part number is missing or unreadable.

Machine model numbers can often be used to locate OEM parts diagrams, exploded views, and manufacturer replacement lists. These references help identify compatible components originally installed in the equipment. Matching parts by machine model ensures correct fit, performance, and operational reliability.

OEM part numbers can be cross referenced using manufacturer interchange guides, engineering specifications, or industrial databases. Matching dimensions, tolerances, materials, and performance ratings ensures the alternative component functions the same as the original.

To confirm interchangeability, compare critical specifications such as dimensions, mounting configuration, operating capacity, material composition, and tolerance class. If these parameters match, the components are typically interchangeable across manufacturers.

Installing an incompatible part can lead to premature wear, mechanical failure, reduced efficiency, overheating, vibration, or equipment damage. Always verify specifications and compatibility before installation to maintain performance and safety.

Metric and imperial components may appear similar but often differ slightly in size and tolerance. Even small measurement differences can affect fit and performance. Always verify exact measurements before substituting between measurement systems.

 

Tolerance ratings define the allowable variation in size, alignment, or performance. Tight tolerances improve precision, reduce vibration, and extend equipment lifespan.