NSK 608zz (8x22x7mm) GCr15 Deep Groove Ball Bearing
Basic Info.
| Inner Diameter | 8 mm |
| Outer Diameter | 22 mm |
| Thickness | 7 mm |
High-precision NSK 608zz deep groove ball bearing with compact dimensions (8×22×7 mm), suitable for OEM/ODM applications. Features low vibration (Z1V1–Z3V3), reliable grease or oil lubrication, and robust carton/pallet packaging.
NSK 608ZZ Miniature Deep Groove Ball Bearing (8×22×7 mm)
| Description | Key Detail |
|---|---|
| Model & Standard | NSK 608ZZ — ISO 15:2011 compliant, deep groove ball bearing with double metal shields |
| Dimensions (mm) | 8 mm ID × 22 mm OD × 7 mm width — ultra-compact for space-constrained designs |
| Material & Hardness | GCr15 high-carbon chromium steel, hardened to HRC 60–64 for extended fatigue life |
| Precision Grades | Available in P0, P6, P5, P4, P2 — ideal for high-speed and low-vibration applications |
| Vibration Levels | Z1V1 to Z3V3 certified — meets strict noise requirements for medical & precision instruments |
| Lubrication | Prefilled with premium grease or compatible with oil — ready-to-mount, low-maintenance |
| Origin & Traceability | Manufactured in Japan — full batch traceability and NSK factory certification |
| Applications | Drones, RC models, small motors, dental handpieces, lab equipment, robotics joints |
| Quality Assurance | 100% dimensional inspection, vibration testing, and dynamic load validation per JIS B 1514 |
| Why NSK vs. Generic? | Tighter raceway geometry control, superior shield sealing integrity, and 3× longer L10 life under identical loads |
Engineered for reliability where size, silence, and consistency matter — the NSK 608ZZ delivers unmatched precision in miniature form. Trusted by global OEMs in aerospace, medical, and automation sectors. Need custom specs, bulk pricing, or technical support? Send your inquiry now.
- Product Name
- NSK 608zz (8x22x7mm) GCr15 Deep Groove Ball Bearing
- Category
- Deep Groove Ball Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Deep Groove Ball Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
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NSK 608zz (8x22x7mm) GCr15 Deep Groove Ball Bearing
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