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  4. 627ZZ – NKMB Miniature Deep Groove Ball Bearing 7x22x7mm
627ZZ – NKMB Miniature Deep Groove Ball Bearing 7x22x7mm

627ZZ – NKMB Miniature Deep Groove Ball Bearing 7x22x7mm

Introduction to NKMB 627ZZ Miniature Deep Groove Bearing The 627ZZ miniature deep groove ball bearing (7x22x7mm) is a compact, high-precision bearing designed for applications requiring smooth rotation, low noise, and long service life in limited spaces. Manufactured by NKMB, the 627 series bearings are produced using advanced technology and strict quality control standards, ensuring stable and reliable performance for global customers. NKMB offers both 627ZZ (metal shielded) and 627-2RS (rubber sealed) versions to meet different operating environment requirements. Detailed Parameters of 627ZZ / 627-2RS Bearing (NKMB) Parameter Specification Bearing Model 627ZZ / 627-2RS Brand NKMB Bearing Type Miniature Deep Groove Ball Bearing Inner Diameter (รหัส) 7 mm Outer Diameter (โอดี) 22 mm Width 7 mm Shield / Seal Type ZZ…

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Introduction to NKMB 627ZZ Miniature Deep Groove Bearing

พื้นที่ 627ZZ miniature deep groove ball bearing (7x22x7mm) is a compact, high-precision bearing designed for applications requiring smooth rotation, low noise, and long service life in limited spaces. Manufactured by NKMB, the 627 series bearings are produced using advanced technology and strict quality control standards, ensuring stable and reliable performance for global customers.

NKMB offers both 627ซีซี (metal shielded) และ 627-2อาร์เอส (rubber sealed) versions to meet different operating environment requirements.

Detailed Parameters of 627ZZ / 627-2RS Bearing (NKMB)

Parameter Specification
Bearing Model 627ซีซี / 627-2อาร์เอส
Brand NKMB
Bearing Type Miniature Deep Groove Ball Bearing
เส้นผ่านศูนย์กลางภายใน (รหัส) 7 มิลลิเมตร
เส้นผ่านศูนย์กลางภายนอก (โอดี) 22 มิลลิเมตร
ความกว้าง 7 มิลลิเมตร
Shield / Seal Type ซีซี (Double Metal Shields) / 2อาร์เอส (Rubber Seals)
วัตถุ เหล็กโครเมี่ยม (GCr15)
Ball Material Hardened Steel Balls
Cage Material Steel Cage
การหล่อลื่น Pre-lubricated High-Speed Grease
Precision Grade ABEC-1 / ABEC-3 (Optional)
Radial Clearance ซี 0 (Standard), C3 Optional
Max Speed (Grease) Approx. 20,000 RPM
Operating Temperature -20°C to +120°C
Noise Level Low Noise
น้ําหนัก Approx. 9.2 g

Key Features of NKMB 627ZZ / 627-2RS Bearings

1. High Precision & Low Friction

NKMB 627 bearings are precision-ground to ensure accurate dimensions, low vibration, and smooth high-speed rotation, ideal for precision applications.

2. Shielded & Sealed Options

  • 627ซีซี: Double metal shields reduce dust entry while allowing higher rotational speeds

  • 627-2อาร์เอส: Rubber seals provide superior sealing performance for dusty or humid environments

3. Compact Size with Reliable Load Capacity

Despite its miniature size, the 627 bearing supports moderate radial loads, making it suitable for continuous operation.

4. Long Service Life

Optimized heat treatment and surface finishing give NKMB bearings excellent wear resistance and durability.

Applications of NKMB 627 Miniature Deep Groove Bearings

พื้นที่ NKMB 627ZZ / 627-2อาร์เอส bearings are widely used in:

  • Miniature electric motors

  • Cooling fans and blowers

  • Robotics and automation systems

  • Office automation equipment

  • อุปกรณ์ทางการแพทย์

  • Fitness equipment

  • Precision instruments and tools

Why Choose NKMB Miniature Bearings?

  • Stable and consistent manufacturing quality

  • Strict inspection and testing standards

  • OEM and customized bearing solutions

  • Competitive factory-direct pricing

  • Trusted NKMB brand in international markets

NKMB focuses on providing high-performance miniature bearing solutions for modern mechanical and electronic applications.

บทสรุป

พื้นที่ 627ZZ – NKMB Miniature Deep Groove Ball Bearing 7x22x7mm offers an excellent balance of precision, ความทนทาน, and compact design. With detailed technical parameters, low-noise operation, and flexible shield or seal options, it is an ideal choice for a wide range of miniature and high-speed applications.

For reliable miniature deep groove bearings, NKMB is a brand you can trust.

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