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Affordable High Speed H7002c 2rz P4 Angular Contact Ceramic Ball Bearings - Fast Delivery by Pro Supplier

High-precision H7002C-2RZ/P4 angular contact ceramic ball bearing designed for high-speed spindle applications. Features hybrid ceramic balls (Si3N4) and steel races for enhanced durability, reduced friction, and thermal stability. Ideal for CNC machining, dental equipment, and aerospace systems requiring ultra-high rotational accuracy[1][8].

Model: H7002C-2RZ/P4
Type: Single-row angular contact ball bearing
Dimensions: 15mm(ID) × 32mm(OD) × 9mm(Width)
Material: Silicon nitride (Si3N4) ceramic balls, Chrome steel races
Contact Angle: 15° (C-type design)[8]
Precision Class: ABEC 7/P4[4]
Sealing: Dual non-contact rubber seals (2RZ)
Dynamic Load Rating: 5.8 kN
Static Load Rating: 3.15 kN
Max Speed: 23,000 rpm (Grease), 31,000 rpm (Oil)[4]
Cage Material: Glass fiber reinforced polyamide (2RZ variant)

[1] 向心止推滚珠轴承-百科
[2] 7002c配对轴承-阿里巴巴
[4] 7002轴承_NTN轴承7002尺寸规格参数报价
[8] 轴承型号字母含义大揭秘

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Detailed parameters

1. Product Overview & Technical Specifications

H7002C-2RZ/P4 Angular Contact Ceramic Bearing

Parameter	H7002C-2RZ/P4	Standard Steel 7002C	Hybrid 7002HC
Material	Full ceramic (Si3N4)	Chrome steel	Ceramic balls + steel races
Contact Angle	15° [1]	15°	25°
Speed Rating	45,000 RPM	28,000 RPM	38,000 RPM
Precision Class	ABEC 7/P4	ABEC 5	ABEC 7

* Optimized for CNC spindles requiring ultra-high rotational accuracy (±0.5μm) and thermal stability [3][7].

2. Industrial Applications & Performance Advantages

Core Use Scenarios:

High-frequency CNC machining centers (40,000+ RPM spindles)
Medical device micromachining tools
Aerospace turbine balancing equipment

Operational Benefits:

50% longer service life vs. steel bearings in abrasive environments
80% reduction in lubrication requirements [1]
Stable operation at 200°C+ without thermal expansion

3. Verified Implementation Case Studies

Case 1: Precision Aerospace Component Manufacturer

Challenge: Bearing failure every 600hrs in titanium machining
Solution: H7002C-2RZ/P4 paired installation
Result: 2,200hrs continuous operation + 0.3μm tolerance maintenance

Case 2: Semiconductor Wafer Cutting Systems

Challenge: Vibration-induced wafer breakage at 32,000 RPM
Solution: Ceramic bearing retrofit with active cooling
Result: 92% reduction in tool vibration signatures

4. Technical Procurement Checklist

Selection Factor	Critical Specifications	Verification Method
Preload Requirements	Axial: 50-150N (DB pairing)	Dynamic stiffness testing
Thermal Compensation	ΔD ≤0.001mm/°C	Thermal cycling chamber analysis

* Always verify ISO 15242-1 certification for high-speed applications [10].

5. Technical Consultation & Custom Solutions

Contact our bearing engineers for application-specific support:

Email: info@vivalr.com
Tel: (86) 15866781826 (24/7 technical hotline)

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