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The 604ZZ P6 is a miniature, single-row deep groove ball bearing, typically measuring
(bore
OD
width). Featuring double steel shields (ZZ) to protect against dust and debris, it is designed for high-speed, low-friction applications. The P6 designation signifies higher precision than standard (ABEC 3/5), enhancing performance in small motors and precision equipment.
Key Specifications & Features
- Dimensions: (ID)(OD)(Width).
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604 Bearing
Amazon.com
https://www.amazon.com › 604-bearing › k=604+bearing
Amazon.com
https://www.amazon.com › 604-bearing › k=604+bearing
uxcell 604ZZ Deep Groove Ball Bearing Double Shield 604-2Z 80015, 5mm x 14mm x 5mm High Carbon Steel Z1 Bearings (Pack of 4).Read more
store rating (13K)30-day returns
OEM/ODM 604ZZ P6 Deep Groove Ball ... - RMO Bearings
rmbearing.com
https://www.rmbearing.com › 604zz-p6-deep-groove-bal...
rmbearing.com
https://www.rmbearing.com › 604zz-p6-deep-groove-bal...
The 604ZZ P6 grade bearing that is widely used in the field of precision instruments. Hot Tags : 604ZZ P6 Grade Ball Bearing 604ZZ Bearing 604ZZ Quality Bearing ...Read more
604ZZ | Deep Groove Ball Bearing - Single Row | NSK
Misumi USA
https://us.misumi-ec.com › ... › Ball Bearings
Misumi USA
https://us.misumi-ec.com › ... › Ball Bearings
Deep groove ball bearings have deep grooves with arc-shaped tracks on both the inner and outer rings, and can carry radial loads. Besides radial loads, deep ...Read more
604-ZZ Ball Bearing 4x12x4mm 604 ZZ Metal Shielded ...
eBay
https://www.ebay.com › ... › Ball & Roller Bearings
eBay
https://www.ebay.com › ... › Ball & Roller Bearings
Single-row deep groove ball bearings with seals or shields on one or both sides are particularly versatile, offering low friction and optimized performance ...
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People also ask
What do z and zz mean on a bearing?
This video explains the difference between Z and ZZ bearings:
Thisissoul
YouTube · Oct 7, 2019
Z (Single Shield)
- Protection:One metal shield on one side, offering basic defense against larger debris.
- Environment:Best for clean environments, high speeds, or where heat dissipation is crucial.
- Maintenance:May need more frequent lubrication as the open side allows grease to escape and contaminants to enter.
- Performance:Lower friction and better heat dissipation than double-shielded bearings.
ZZ (Double Shield)
- Protection:Two metal shields, one on each side, providing enhanced protection against dust, dirt, and moisture.
- Environment:Ideal for dusty, wet, or contaminated industrial settings.
- Maintenance:Longer lubrication life due to grease retention; reduced need for frequent maintenance.
- Performance:Better durability in harsh conditions but can have slightly higher friction and heat generation compared to Z types.
Key takeaway
Choose a Z bearing for clean, fast, low-friction applications, and a ZZ bearing for robust protection in dusty or dirty environments where longevity and reduced maintenance are priorities.
AI responses may include mistakes. Learn more
6205Z Bearing vs. 6205ZZ: Understanding the Differences
Aug 22, 2025 — It helps protect the bearing from dust and contaminants on one side, while allowing lubrication on the other side to e...
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Jan 26, 2026 — However, if the bearing will be operating in a dusty workshop, outdoors, or in any situation where contaminants are li...
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Which is better, ZZ or 2RS bearing?
ZZ (Double Metal Shield) Bearings
- Seal Type: Non-contact metal shields on both sides.
- Protection: Guards against large particles and debris, but not water or fine dust.
- Friction & Speed: Low friction, allowing for higher speeds.
- Best For: Clean, dry conditions where high speed is crucial, like electric motors.
2RS (Double Rubber Seal) Bearings
- Seal Type: Contacting rubber seals (RS) on both sides.
- Protection: Excellent protection against dust, dirt, moisture, and contaminants, effectively retaining grease.
- Friction & Speed: Slightly higher friction due to contact, leading to lower speed ratings.
- Best For: Harsh, wet, or dirty environments, like wheel hubs or machinery exposed to water.
Key Differences at a Glance
- Sealing: 2RS offers better, more complete sealing (dust/water); ZZ offers less protection.
- Friction: ZZ has lower friction; 2RS has slightly higher friction.
- Speed: ZZ supports higher speeds; 2RS supports lower to medium speeds.
- Environment: ZZ for clean/dry; 2RS for wet/dirty.
AI responses may include mistakes. Learn more
Bearings : ZZ vs 2RS - Advice - V1 Engineering Forum
Apr 1, 2017
V1 Engineering Forums
Do you know the difference between the 2RS and ZZ type bearing ...
Jun 22, 2022 — Do you know the difference between the 2RS and ZZ type bearing shields? Let's find out! 👇🏻 - ZZ (double-sided metal shi...
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CRAFT bearings
Blog :: Bearing Difference between ZZ and 2RS
Jun 3, 2024
omrook
2RS or ZZ ?
Oct 7, 2006
SOHC4 forum
6200-2RS, 6200-ZZ Ball Bearings, 10x30x9 - USA Bearings and Belts
The 6200-2RS ball bearing has two contact rubber seals, one on each side of the ball bearing. The 6200-ZZ bearing has two non-cont...
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2RS vs ZZ bearings: Sealing and Speed - LinkedIn
May 6, 2025 — 2RS Bearings (Rubber Sealed on Both Sides): Seals: Rubber seals on both sides (the "2" means both sides, "RS" = Rubber ...
LinkedIn
News - What is the difference between bearing ZZ and 2RS seals?
ZZ and 2RS are also different in terms of materials and installation methods. ZZ's dust cover is stamped with a mold and pressed ...
jitobearing.com
Single-row deep groove ball bearings with a shield or seal | ZKL Group
Sealed bearings (-RS or 2RS) provide protection of the inner bearing space better than shielded bearings (-Z or -2Z). Due to the c...
ZKL Group
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What is the difference between 608 2RS and 608 ZZ bearings?
(2) 608 2RS Bearings
2RS bearings are considered sealed bearings. In summary, the primary difference is in the type of protection they offer. ZZ bearings have metal shields, while 2RS bearings have rubber seals.
2RS bearings are considered sealed bearings. In summary, the primary difference is in the type of protection they offer. ZZ bearings have metal shields, while 2RS bearings have rubber seals.
608 Bearing Dimensions | ISK BEARINGS
isk bearings
https://iskbearing.com › news › knowledge › the-ultimat...
isk bearings
https://iskbearing.com › news › knowledge › the-ultimat...
What is the difference between 6001Z and 6001ZZ?
The 6001Z ball bearing is a single row raceway and single shielded. The 6001ZZ ball bearing has a single row raceway and it is shielded on each side. The B6001DDU, 6001DDU, 6001LLU, 6001-2NSE, 6001H2RS ball bearing are shielded by two rubber seals on each side.
Deep Groove 6001 Ball Bearings 12mm X 28mm X 8mm
Misumi USA
https://us.misumi-ec.com › blog › 6001-ball-bearings-12...
Misumi USA
https://us.misumi-ec.com › blog › 6001-ball-bearings-12...
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604ZZ Series
NSK Global
https://www.oss.nsk.com › 604zz-esm-md
NSK Global
https://www.oss.nsk.com › 604zz-esm-md
604ZZ Series. Extra Small Ball Bearings and Miniature Ball Bearings Metric Series.Read more
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604 ZZ Deep Groove Ball Bearing Extra Light Miniature ...
welinkbearing.com
https://www.welinkbearing.com › 60 Series
welinkbearing.com
https://www.welinkbearing.com › 60 Series
604 ZZ Deep Groove Ball Bearing Extra Light Miniature Bearing | 4×12×4 mm design offers low noise, stable speed, and long service life.
NSK 604ZZ
Motion Industries
https://www.motion.com › products › sku
Motion Industries
https://www.motion.com › products › sku
NSK. 604ZZ. Radial/Deep Groove Ball Bearing - Straight Bore, 4 mm ID, 12 mm OD, 4 mm Width, Double Shielded, Without Snap Ring.Read more
604 Deep Groove Ball Bearing(999+)
Alibaba.com
https://www.alibaba.com › showroom › 604-deep-groo...
Alibaba.com
https://www.alibaba.com › showroom › 604-deep-groo...
Reduce mechanical wear with precision-built 604 deep groove ball bearing designed to lower resistance and perform reliably under high-speed conditions.
604-2z 604zz Single Row Deep Groove Ball Bearing ...
Made-in-China.com
https://m.made-in-china.com › product › 604-2z-604zz...
Made-in-China.com
https://m.made-in-china.com › product › 604-2z-604zz...
604-2z 604zz Single Row Deep Groove Ball Bearing 4X12X4mm for Skateboard. US$1.2010-99 Pieces. US$0.88100+ Pieces ...Read more
· Review by MIC_BUYER
604ZZ Deep Groove Ball Bearing - Pack of 5
Phipps Electronics
https://www.phippselectronics.com › Shop
Phipps Electronics
https://www.phippselectronics.com › Shop
The 604ZZ Deep Groove Ball Bearing is a single row deep groove radial ball bearing. Coming in a pack of 5, the 604ZZ is double shielded with normal clearance ...Read more
$15.9530-day returns
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