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Home / Bearings & Bushings / Imported Bearing Collection: 6307, 6308 High-Speed, 6309 Ball, 6310 Deep Groove, 6311/6312 ZZ/RS

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Chrome Steel (GCr15)
Seal Type ZZ (Metal) / 2RS (Rubber)
Precision Grade ABEC-1 / ISO P0
Cage Material Steel Riveted
Lubrication Pre-greased
Origin Imported
Bearing Series 6300 Deep Groove
Dynamic Load Rating Varies by Model Number
Operating Temperature -20°C to 120°C
Warranty 6 Months Manufacturer

5 reviews

A

Anonymous

Apr 22, 2026

Rating: 5/5

High quality import

We ordered the 6310 and 6311 for our workshop machinery. Quality matches domestic brands but at a better price point.

A

Anonymous

Apr 15, 2026

Rating: 5/5

Perfect for industrial motors

Used the 6308 model for a conveyor belt repair. The fit was exact and the rotation is very smooth. No vibration issues so far.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Reliable replacement parts

Replaced old noisy bearings with these 6312 ZZ models. The noise level dropped significantly. Highly recommend for repairs.

A

Anonymous

Mar 17, 2026

Rating: 5/5

Fast shipping and well packed

Arrived quickly. Each bearing was individually wrapped to prevent rust. The 6309 ball bearing works great in my lathe.

A

Anonymous

Feb 03, 2026

Rating: 4/5

Good value for money

Solid bearings for the price. One unit had a slightly tight seal initially but loosened up after use. Overall satisfied.

5 FAQ

Q: Can I order mixed sizes in a single shipment?

A: Yes, you can select different quantities for each model number in your cart and they will ship together.

Q: What is the difference between ZZ and RS seals?

A: ZZ indicates metal shields on both sides, while RS indicates rubber contact seals which offer better dust and moisture protection.

Q: Do I need to add additional grease before installation?

A: No, these bearings come pre-lubricated with standard grease suitable for most general applications.

Q: Are these bearings suitable for electric motor applications?

A: Yes, the 6300 series is commonly used in standard electric motors and industrial machinery.

Q: What is the return policy if the size is incorrect?

A: We accept returns within 30 days if the item is unused and in its original packaging. Please contact support for a label.

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