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Help CenterAngular Contact Ball Bearing High Precision Bearing for Machinery
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Product Details
Single-row angular contact ball bearings are high-precision mechanical components designed to bear combined radial and axial loads. With a fixed contact angle, they offer superior axial load capacity compared to deep groove ball bearings, ensuring stable operation at high speeds. Widely applied in various industrial fields, these bearings are often installed in pairs to meet bidirectional axial load requirements, providing reliable performance and long service life.
Product Specifications
1. Core Dimensions & Contact Angle (Take 7008C as an Example)
Parameter |
Description |
Value |
Unit |
|---|---|---|---|
Inner Diameter |
d |
40 |
mm |
Outer Diameter |
D |
68 |
mm |
Width |
B |
15 |
mm |
Contact Angle |
α |
15 |
° |
Precision Class |
Purity Grade |
P4 |
/ |
Chamfer Size |
r1, r2 |
0.6 |
mm |
2. Load & Speed Performance
Performance Parameter |
Value |
Unit |
Remarks |
|---|---|---|---|
Basic Dynamic Load Rating (Cᵣ) |
20.7 |
kN |
Complies with ISO 492 Standard |
Basic Static Load Rating (C₀ᵣ) |
16.0 |
kN |
Complies with ISO 492 Standard |
Limiting Speed (Grease Lubrication) |
21600 |
rpm |
Standard temperature, clean working environment |
Limiting Speed (Oil Lubrication) |
29600 |
rpm |
Forced oil circulation, high-temperature resistance |
3. Material & Structure
Component |
Material |
Key Features |
|---|---|---|
Inner & Outer Ring |
Chrome Steel (SUJ2/GCr15) |
High hardness (HRC 60-64), excellent wear resistance, and strong impact resistance after heat treatment |
Steel Balls |
High Carbon Chrome Steel |
Precision ground, uniform size, smooth surface, and good roundness |
Cage |
Glass Fiber Reinforced Nylon 66 / Brass |
Low friction coefficient, high rigidity, lightweight, suitable for high-speed operation |
Sealing Type |
Open / RS (Rubber Seal) / ZZ (Metal Shield) |
RS: Dust and moisture protection; ZZ: High-temperature resistance, suitable for harsh environments |
Key Features
Combined Load Capacity: Effectively bears simultaneous radial and one-way axial loads; larger contact angles (30°, 40°) can significantly improve axial load-bearing capacity.
High-Speed Stability: Optimized cage structure and precision machining reduce friction, ensuring stable operation at ultra-high speeds, ideal for spindle applications.
Flexible Mounting: Can be mounted in DB (back-to-back), DF (face-to-face), or DT (tandem) configurations to adapt to complex load requirements in different equipment.
Customizable Precision: Available in P0 (standard), P6, P5, P4, P2 precision grades to meet the accuracy needs of various industrial scenarios.
Long Service Life: High-quality materials and strict manufacturing processes ensure excellent corrosion resistance and wear resistance, extending the service life of the bearing.
Application Fields
Our angular contact ball bearings are widely used in various industrial sectors, including but not limited to:
Machine tool spindles, CNC machining centers, and precision lathes
Electric motors, generators, and servo systems
Pumps, compressors, and gearboxes
Automotive transmission systems and aerospace equipment
Precision instruments and medical equipment
Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer's requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It's better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don't disclose any info.
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