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TIMKEN 6307-ZZ 2 Pcs Double Metal Seal Bearings 35x80x21mm, Pre-Lubricated and Stable Performance and Cost Effective, Deep Groove Ball Bearings.

TIMKEN 6307-ZZ 2 Pcs Double Metal Seal Bearings 35x80x21mm, Pre-Lubricated and Stable Performance and Cost Effective, Deep Groove Ball Bearings.

$30.41 USD
$30.41 USD
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✔ TIMKEN 6307-ZZ Double Metal Seal Bearings — Pack of 2
✔ Size: 35 × 80 × 21 mm (standard 6307 series)
✔ Double Metal Shields (ZZ) — 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 6307-ZZ Double Metal Seal Bearings — 35x80x21 mm (Pack of 2)

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 pack of two TIMKEN 6307-ZZ bearings ensures smooth operation, stable performance, and cost-effective reliability.

These are TIMKEN 6307-ZZ single-row deep groove radial ball bearings with double metal shields (ZZ). They are pre-lubricated at the factory with high-quality grease for long-lasting, maintenance-free operation. The metal shields protect the bearing from 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 two bearings, 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 metal shields on both sides (ZZ) 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 6307 size — used in electric motors, pumps, automotive components, and industrial equipment
• ✔ Cost-effective 2-pack — high performance at a competitive price
• ✔ Two bearings included in this listing

Package Contents


Package Contents
• 2 × TIMKEN 6307-ZZ ball bearings

FAQ

FAQ

Is this the same as SKF 6307-2Z or NSK 6307ZZ?
They are dimensional equivalents: the same 6307 size (35 × 80 × 21 mm) with two metal shields. The suffixes ZZ, 2Z, 2ZR all denote the same shield configuration across brands. They interchange by size, but they are different manufacturers' parts.

What does "ZZ" mean?
Two metal shields (dust covers) — 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?
Two TIMKEN 6307-ZZ bearings are included in this listing.

How do I know this is the right size?
Check the number stamped on your old bearing: 6307-ZZ, 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 ~9,000 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 metal shields or rubber seals?
This is the ZZ version with metal shields. If you need rubber contact seals, look for the 2RS version (e.g., TIMKEN 6307-2RS).

Is this a good value for the money?
Yes — this 2-pack offers two high-quality TIMKEN bearings at a cost-effective price, making it an economical choice for maintenance and repairs.

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