SNR 6006 ZZ Bearing 30x55x13 - Deep Groove Ball Bearing, Metal Shields

SNR 6006 ZZ Bearing 30x55x13 - Deep Groove Ball Bearing, Metal Shields

Introduction - what it is and why choose it

The SNR 6006 ZZ 30x55x13 is a single-row deep groove ball bearing with double metal shields (ZZ). Dimensions: inner diameter 30 mm, outer diameter 55 mm, width 13 mm. Thanks to the protective shields on both sides, this bearing offers enhanced protection against dust and grease leakage.

Part of the popular 6000 series, the 6006 ZZ is widely used in machinery requiring durability, high rotational speeds, and reliable operation under moderate contamination.

Key Technical Features

• Type: single-row deep groove ball bearing

• Dimensions: 30x55x13 mm (d x D x B)

• Shields: double metal shields (ZZ) for dust protection

• Clearance: standard internal clearance (CN) unless otherwise specified

• Material: chrome steel (bearing grade)

• Pre-lubricated with grease - ready for use

• Limiting speed: up to ~13,000 rpm (depending on lubrication and load)

• Weight: approx. 0.116 kg (typical for 6006 ZZ bearings)

Benefits and Applications

Advantages of SNR 6006 ZZ:

• ✅ Double metal shields (ZZ) for reliable dust protection

• ✅ Factory pre-lubricated - maintenance reduced

• ✅ Suitable for high-speed applications (up to 13,000 rpm)

• ✅ Standard 6006 dimensions allow easy replacement and compatibility

• ✅ Long service life under continuous operation

Typical Applications:

• Electric motors and gearmotors

• Compressors and pumps

• Machine tools and lathes

• Conveyors and drive systems

• General industrial machinery where shielded bearings are preferred

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FAQ - Frequently Asked Questions

Q: What does “ZZ” mean in SNR 6006 ZZ?
A: “ZZ” indicates metal shields on both sides of the bearing, protecting against dust and grease leakage.

Q: Is the SNR 6006 ZZ bearing lubricated?
A: Yes - it is factory pre-lubricated with grease, ready for installation and use.

Q: What is the limiting speed of the 6006 ZZ bearing?
A: Around 13,000 rpm depending on lubrication method, load, and working conditions.

Q: Can I use this bearing in dusty environments?
A: Yes, but for extremely dusty conditions a sealed version (2RS) or external protection may be preferable.

Q: Is there an open version of this bearing?
A: Yes - the 6006 (without ZZ) is available as an open type, requiring separate lubrication.