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SKU: BRG-6305-2RS

6305-2RS Deep Groove Ball Bearing | OEM Replacement Bearing

6305-2RS Deep Groove Ball Bearing (2RS (rubber seals)). OEM replacement bearing for common industrial and general-purpose applications. Submit an RFQ for fast sourcing.

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6305-2RS Deep Groove Ball Bearing – OEM Replacement

Overview

The 6305-2RS deep groove ball bearing is a heavier-duty alternative to the 6205 series for the same 25 mm bore. With a larger outside diameter and higher load capacity, it’s frequently chosen as an OEM replacement where robustness matters more than compact packaging.

Applications

Typical uses include gearboxes, belt-driven machinery, pumps, agricultural equipment, and industrial drive shafts. The 2RS seals help protect against contamination in production environments, outdoor service, and equipment that sees periodic washdown or dust exposure.

Compatible Machines

You’ll see 6305 bearings in small gear reducers, conveyor drives, farm machinery, and general-purpose rotating assemblies that need added radial capacity. It’s also common in retrofit repairs where a stronger bearing was specified by the OEM.

Technical Specifications

  • Bore (ID): 25 mm
  • Outside Diameter (OD): 62 mm
  • Width: 17 mm
  • Sealing: 2RS rubber seals (double sealed)
  • Typical material: chrome steel (52100) or equivalent
  • Lubrication: pre-greased for general-purpose duty

Cross References

Cross references include 6305, 6305-2RS, 6305-RS, 6305-ZZ, and equivalent designations across major manufacturers. If you’re replacing a C3 clearance bearing, keep the same clearance for temperature growth and interference fits.

Replacement Information

Confirm dimensions (25×62×17 mm) and any suffixes. Inspect housing bores for fretting and ensure proper fits. Choose sealing based on speed and environment. If your application is oil-lubricated, discuss open versions or special sealing with us.

Why Source With Us

We source OEM replacement bearings and can recommend alternates when lead times are tight. Submit an RFQ with your bearing code, speed, load, and environment so we can match seals, clearance, and lubrication to your application.

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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.