F6702 Flange Ball Bearings
| F6702 Flange Ball Bearings | |||
|---|---|---|---|
| Part Number | F6702 | Ball Number | 14 |
| d | 15 | Ball Size | 1.588 |
| R | 0.2 | Dynamic Load Co(N) | 937 |
| D/D1 | 21/22.5 | Static Load Cor(N) | 582 |
| B/C | 4/0.8 | Grease Speed | 11000 |
| Weight(Kg) | 0.0039 | Oil Speed | 15000 |
F6702 Flanged Bearing | Open / ZZ / 2RS | Multi-Material Ultra-Thin Bearing
F6702 flanged bearing, F6702 open bearing, F6702ZZ shielded bearing, F6702 2RS sealed bearing, 15x21x4mm thin wall flanged miniature bearing, corrosion resistant F6702 bearing
Product Overview
The F6702 flanged deep groove ball bearing is a mid-size ultra-thin miniature bearing in the 6700 series, upgraded from F6701 with larger bore and load capacity. Featuring a one-piece integrated outer flange, this bearing delivers precise passive axial positioning, eliminating extra circlips or retaining rings. It optimizes compact assembly structures and enhances operational stability for mini precision machinery.
Available inthree practical seal variants: open type, double metal shield (ZZ), double rubber seal (2RS). Supported with five industrial-grade materials including chrome steel and four stainless steel grades, covering standard dry transmission, dust-prone, humid, salt spray and mild chemical corrosion working scenarios for diversified industrial applications.
F6702 Seal Type Features And Application Scenarios
1. F6702 Open Bearing
No protective shields or seals, featuring ultra-low friction and maximum rotational speed. It allows flexible manual or automatic relubrication to adapt to high-speed continuous operation. Designed exclusively for clean, sealed indoor equipment environments with stable lubrication supply. Not resistant to dust, moisture or liquid splashing, ideal for high-precision high-speed transmission components.
2. F6702ZZ Metal Shielded Bearing
Adopts non-contact double-sided steel shields, effectively blocking fine dust, particle debris and industrial impurities. Pre-filled with high-quality grease for long-term maintenance-free operation, balancing excellent speed performance and basic dust protection. It cannot resist water or moisture penetration, widely applied for dry indoor automated equipment, precision instruments and daily electronic devices.
3. F6702-2RS Rubber Sealed Bearing
Equipped with double-sided contact rubber lip seals, achieving comprehensive protection against dust, humidity, water splash and oil contamination. The tight sealing structure locks internal lubricant firmly to avoid grease loss and extend bearing service life. With slight friction resistance for enhanced durability, it is the preferred choice for humid workshops, light outdoor equipment and unattended long-running devices.
Material Characteristics And Industrial Applications
1. GCr15 Chrome Steel (AISI 52100)
Characteristics: High hardness (HRC60-64), superior wear resistance and load-bearing capacity, stable rotation and low noise. It offers the highest cost performance among all material options, with only weakness of poor anti-rust ability in humid environments.
Applications: Standard dry industrial working conditions, suitable for medium-size micro motors, automated transmission parts, optical detection equipment and precision automation accessories.
2. 420 Stainless Steel
Characteristics: Heat-treatable martensitic stainless steel with magnetic property, basic anti-corrosion and anti-rust performance, good impact toughness and stable mechanical properties. It is the most economical anti-rust bearing material for general industrial use.
Applications: Mildly humid indoor environments, household electrical appliances, light-duty smart equipment and cost-sensitive precision mechanical projects.
3. 440 Stainless Steel (440C)
Characteristics: Premium martensitic stainless steel with the highest hardness (HRC58-62) and wear resistance in stainless bearing grades. It balances outstanding load capacity and moderate corrosion resistance, with stable performance under medium speed and load conditions.
Applications: Universal industrial anti-rust solution for food processing machinery, medical devices, light salt spray environments, medium-load precision automation equipment.
4. 304 Stainless Steel
Characteristics: Non-magnetic austenitic stainless steel with excellent moisture and weak acid-base corrosion resistance, food-grade hygienic and washable performance. Non-hardenable with low hardness and limited wear resistance, not applicable for high-speed and heavy-load operation.
Applications: Food and catering machinery, clean medical auxiliary equipment, low-speed light-duty sanitary precision devices and daily hygienic equipment.
5. 316 Stainless Steel
Characteristics: Molybdenum-alloyed austenitic stainless steel, featuring supreme resistance to chloride, seawater, salt spray and chemical corrosion. Non-magnetic, sterilizable and eco-friendly, suitable for harsh corrosive environments with low-speed operation requirements.
Applications: Marine equipment, seawater corrosion-resistant components, chemical instrumentation, high-grade medical disinfection equipment and severe corrosive industrial scenarios.
