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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 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 fibre reinforced polyamide (2RZ variant)

[1] Radial thrust ball bearings - Wikipedia
[2] 7002c paired bearings-Alibaba
[4] 7002 bearing_NTN bearing 7002 size specification parameter offer
[8] The meaning of the letters of the bearing type is revealed.

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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

* :: Optimised 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 centres (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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