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TIMKEN 6306-2RS 30x72x19mm,Double Rubber Seal Bearing | Pre-Lubricated and Stable Performance and Cost Effective Deep Groove Ball Bearings.

TIMKEN 6306-2RS 30x72x19mm,Double Rubber Seal Bearing | Pre-Lubricated and Stable Performance and Cost Effective Deep Groove Ball Bearings.

$18.99 USD
$18.99 USD
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✔ TIMKEN 6306-2RS Double Rubber Seal Bearing — 30x72x19mm
✔ Size: 30 × 72 × 19 mm (standard 6306 series)
✔ Double Rubber Contact Seals (2RS) — Pre-Lubricated for Stable Performance
✔ Hardened Chrome Steel Construction
✔ Cost-Effective Solution — High Quality at a Competitive Price
✔ Deep Groove Ball Bearing — supports radial and moderate axial loads

 

TIMKEN 6306-2RS Double Rubber Seal Bearing — 30x72x19mm

A grinding or whining noise from a rotating component, play you can feel by hand, a hot housing, or grease leaking past a damaged seal — a worn ball bearing announces itself early. Ignore it, and it can damage the shaft or housing. Replacing worn bearings with this TIMKEN 6306-2RS bearing ensures smooth operation, stable performance, and cost-effective reliability.

This is a TIMKEN 6306-2RS single-row deep groove radial ball bearing with double rubber contact seals (2RS). It is pre-lubricated at the factory with high-quality grease for long-lasting, maintenance-free operation. The rubber seals provide excellent protection against dust, dirt, and moisture while retaining the grease inside. The deep groove design allows the bearing to handle both radial and moderate axial loads with stability. This listing includes one bearing, offering an economical solution without compromising on TIMKEN's trusted quality.

 

When to Replace


When to Replace (Common Symptoms)
• Grinding, whining, or rumbling noise from the bearing location
• Noticeable play or wobble in the shaft
• Housing running hot
• Grease leaking past a torn or damaged seal
• A bearing removed from a shaft should always be replaced — never reinstall a used bearing

Product Details & Highlights


Product Highlights
• ✔ TIMKEN single-row deep groove radial ball bearing
• ✔ Double rubber contact seals on both sides (2RS) keep grease in and dirt out
• ✔ Factory pre-lubricated — no maintenance lubrication required
• ✔ Hardened chrome steel — TIMKEN's standard bearing material
• ✔ Deep groove design — handles radial and moderate axial loads
• ✔ Standard 6306 size — used in electric motors, pumps, automotive components, and industrial equipment
• ✔ Cost-effective solution — high performance at a competitive price
• ✔ Backed by TIMKEN’s manufacturer warranty

Package Contents


Product Type
Deep Groove Radial Ball Bearing (single row, double sealed)

FAQ

FAQ

Is this the same as SKF 6306-2RS1 or NSK 6306DDU?
They are dimensional equivalents: the same 6306 size (30 × 72 × 19 mm) with two rubber seals. The suffixes 2RS, 2RS1, DDU, LLU, 2RSR all denote the same seal configuration across brands. They interchange by size, but they are different manufacturers' parts.

What does "2RS" mean?
Two rubber contact seals — one on each side of the bearing. They keep the factory grease in and contamination out.

Do I need to grease it?
No. The bearing comes pre-greased and sealed; it is not designed to be re-lubricated.

Can I reuse a bearing after pulling it off a shaft?
No. A bearing removed from a shaft should be replaced — reinstalling it risks early failure.

How many bearings do I get?
One TIMKEN 6306-2RS bearing is included in this listing.

How do I know this is the right size?
Check the number stamped on your old bearing: 6306-2RS, or any of the interchange numbers listed above, confirms the fit.

What is the maximum speed I can run this bearing at?
The reference speed is ~10,000 rpm for grease lubrication, but the maximum safe speed depends on load, temperature, and application conditions. Consult your equipment manual for guidance.

Can this bearing handle axial load?
Yes — deep groove ball bearings can handle moderate axial loads, but they are primarily designed for radial loads. For heavy axial loads, a different bearing type may be needed.

Does this bearing come with rubber seals or metal shields?
This is the 2RS version with rubber seals. If you need metal shields, look for the ZZ version (e.g., TIMKEN 6306-ZZ).

Is this a good value for the money?
Yes — this bearing offers high-quality TIMKEN performance at a cost-effective price, making it an economical choice for maintenance and repairs.

What is the difference between 2RS and ZZ?
2RS stands for rubber contact seals, which provide better protection against moisture and dirt. ZZ stands for metal shields, which offer less friction but less sealing protection. Choose based on your application.

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