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4 mm bore 617/4 674 ZZ Minature Deep Groove Ball Bearings 4* 7* 2.5mm Single Row Shielded Rolling Bearings
4 mm bore 617/4 674 ZZ Minature Deep Groove Ball Bearings 4* 7* 2.5mm Single Row Shielded Rolling Bearings
Specifications
Brand Name :
CNBTZC or OEM
Model Number :
674 ZZ
Certification :
IATF16949:2016
Place of Origin :
China
MOQ :
50000
Price :
Please contact us,thanks
Payment Terms :
L/C,T/T
Supply Ability :
500000pcs per month
Delivery Time :
2-4 weeks
Packaging Details :
plastic tub/middle box,carton,pallet
Model Numbers: :
674 ZZ,674-ZZ,674-2Z
Bearing Seals :
Double Shielded ZZ - Shields on Two Sides,2RS or Open available
Interchange :
FAG 674-2ZR, NTN W674 ZZA,B674 ZZ
Clearance :
Standard
Description

4 mm bore 617/4 674 ZZ Minature Deep Groove Ball Bearings 4mm X 7mm X 2.5mm Thin Section Robot Bearings Single Row Shielded Rolling Bearings

The 674ZZ miniature deep groove ball bearing, with dimensions of 4mm inner diameter × 7mm outer diameter × 2.5mm width, is renowned for its compact size, high-speed capability, and low noise characteristics.


Bearing Number		 Boundary Dimensions(mm) Basic Load Rating(N) Limiting Speed(rpm) Reference(kg)
Weight
Inner Diameter Outer Diameter Width Chamfer Dynamic Static Grease Oil
d D B B1 r(min) Cr Cor Non-contact Wt ≈
617/3 ZZ 3 6 2 2.5 0.1 242 94 60000 71000 0.00020
617/4 ZZ 4 7 2 2.5 0.1 222 88 54000 63000 0.00028
617/5 ZZ 5 8 2 2.5 0.1 217 91 49000 57000 0.00032
617/6 ZZ 6 10 2.5 3 0.1 465 196 43000 51000 0.00065
617/7 ZZ 7 11 2.5 3 0.1 555 269 40000 47000 0.00067
617/8 ZZ 8 12 2.5 3.5 0.1 515 252 38000 45000 0.00075
617/9 ZZ 9 14 3 4.5 0.1 920 465 36000 42000 0.00140

674 ZZ Ball Bearings 4X7X2.5mm Specifications & Dimensions

Universal 674 ZZ
Type Deep Groove Ball
Inner/Outer Ring/ Ball Material Chrome Steel
Cage Material Steel/Nylon
CageType Punching
Precision P0,P6
Inner Dimension d(Ø)(mm) 4
Outer Dimension D(Ø)(mm) 7
Width B (or T)(mm) 2.5
Lubrication Grease
Load Direction Radial
Specifications/Environment Standard
Number of Raceway Ring Rows Single Track
Size Standards Metric Series

The 674ZZ miniature deep groove ball bearing is widely used across various specialized fields due to its compact size and high precision. Application areas include:

1. Consumer Electronics and Office Equipment:

Printers/Fax Machines: Acts as a precision transmission component, supporting high-speed and low-noise operation.

Micro Motors: Including motors in drones and hard drives, utilizing its high-speed rotation and low friction characteristics.

2. Precision Instruments and Industrial Equipment:

Testing Equipment: Such as centrifuges and optical instruments, relying on its high precision and stability.

Automation Equipment: Applied in robotic joints and precision transmission systems of 3D printers.

3. Automotive and Transportation:

Automotive Motors: Like fan motors and turbochargers, meeting requirements for heat resistance and long service life.

Reduction Gears: Achieving efficient power transmission in vehicle-mounted devices.

4. Medical Devices:

Dental Drills/Medical Instruments: Stainless steel versions are used in corrosion-resistant applications.

Laboratory Equipment: Critical rotating components in vacuum pumps and mixed bed equipment.

5. Models and Special Applications:

Model Aircraft/RC Toys: Ultra-thin design suitable for use in quadcopters, airplane models, etc.

Fishing Gear/Sports Equipment: Such as fishing reels, requiring corrosion resistance and lightweight design.

This bearing type offers versatile solutions across a broad range of demanding applications, ensuring reliability, precision, and efficiency in everything from consumer electronics to specialized medical and model equipment.

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4 mm bore 617/4 674 ZZ Minature Deep Groove Ball Bearings 4* 7* 2.5mm Single Row Shielded Rolling Bearings

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Product Detail
Brand Name :
CNBTZC or OEM
Model Number :
674 ZZ
Certification :
IATF16949:2016
Place of Origin :
China
MOQ :
50000
Price :
Please contact us,thanks
Contact Supplier
4 mm bore 617/4 674 ZZ Minature Deep Groove Ball Bearings 4* 7* 2.5mm Single Row Shielded Rolling Bearings

Beining Intelligent Technology (Zhejiang) Co., Ltd

Verified Supplier
1 Years
zhejiang
Since 2013
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Main Products :
Precision Ball Bearings, Angular Contact Ball Bearings, Deep Groove Ball Bearings
Total Annual :
30000000-+
Employee Number :
200~+
Certification Level :
Verified Supplier
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