7306 BECBP 30x72x19 Bearing
Single Row Angular Contact Ball Bearings
The 7306 BECBP is a single-row angular contact ball bearing designed to handle both radial and axial loads, making it suitable for high-speed applications. This bearing features a 30° contact angle, allowing it to support higher axial loads in one direction. The “B” designation indicates a 40% higher load capacity, while “E” signifies an optimized internal design for enhanced performance. The “CB” stands for a specific clearance class, ensuring proper fit and performance. Finally, the “P” indicates that the bearing is made with polyamide, offering better durability and reduced friction.
Performance Overview of the 7306 BECBP Bearings
| Category | Details |
|---|---|
| Brand | AMIGO 7306 BECBP | Interchangeable With: SKF 7306 BECBP |
| Bore Diameter | 30 mm |
| Outside Diameter | 72 mm |
| Width | 19 mm |
| Contact Angle | 40° |
| Basic Dynamic Load Rating | 35.5 kN |
| Basic Static Load Rating | 21.2 kN |
| Reference Speed | 12,000 r/min |
| Limiting Speed | 13,000 r/min |
| Contact Type | Normal contact (two-point contact) |
| Number of Rows | 1 |
| Locating Feature, Bearing Outer Ring | None |
| Ring Type | One-piece inner and outer rings |
| Cage | Non-metallic |
| Matched Arrangement | No |
| Universal Matching Bearing | Yes |
| Axial Internal Clearance | Not applicable |
| Matched Condition (Axial Clearance/ Preload) | Axial clearance CB |
| Tolerance Class | Class P6 (P6) |
| Material, Bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Product Net Weight | 0.331 kg |
| Dimensions(mm) | 30x72x19 |
| Category | Details |
|---|---|
| Brand | AMIGO 7306 BECBP | Interchangeable With: SKF 7306 BECBP |
| Bore Diameter | 1.181 in |
| Outside Diameter | 2.835 in |
| Width | 0.748 in |
| Contact Angle | 40° |
| Basic Dynamic Load Rating | 7,981 lbf |
| Basic Static Load Rating | 4,766 lbf |
| Reference Speed | 12,000 r/min |
| Limiting Speed | 13,000 r/min |
| Contact Type | Normal contact (two-point contact) |
| Number of Rows | 1 |
| Locating Feature, Bearing Outer Ring | None |
| Ring Type | One-piece inner and outer rings |
| Cage | Non-metallic |
| Matched Arrangement | No |
| Universal Matching Bearing | Yes |
| Axial Internal Clearance | Not applicable |
| Matched Condition (Axial Clearance/ Preload) | Axial clearance CB |
| Tolerance Class | Class P6 (P6) |
| Material, Bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Product Net Weight | 0.7297 lb |
| dimensions(in) | 1.181x2.835x0.748 |
Specifications Overview of the 7306 BECBP Bearings
| Category | Details |
|---|---|
| Bore Diameter | 30 mm |
| Outside Diameter | 72 mm |
| Width | 19 mm |
| Shoulder Diameter of Inner Ring (Large Side Face) | ≈ 46.6 mm |
| Shoulder Diameter of Inner Ring (Small Side Face) | ≈ 37.9 mm |
| Shoulder Diameter of Outer Ring (Large Side Face) | ≈ 56.45 mm |
| Distance Side Face to Pressure Point | 31 mm |
| Chamfer Dimension (r₁,₂) | min. 1.1 mm |
| Chamfer Dimension (r₃,₄) | min. 0.6 mm |
| Diameter of Shaft Abutment (dₐ) | min. 37 mm |
| Abutment Diameter Housing (Dₐ) | max. 65 mm |
| Diameter of Housing Abutment (Dᵦ) | max. 67.8 mm |
| Radius of Fillet (rₐ) | max. 1 mm |
| Radius of Fillet (rᵦ) | max. 0.6 mm |
| Category | Details |
|---|---|
| Bore Diameter | 1.181 in |
| Outside Diameter | 2.835 in |
| Width | 0.748 in |
| Shoulder Diameter of Inner Ring (Large Side Face) | ≈ 1.835 in |
| Shoulder Diameter of Inner Ring (Small Side Face) | ≈ 1.492 in |
| Shoulder Diameter of Outer Ring (Large Side Face) | ≈ 2.222 in |
| Distance Side Face to Pressure Point | 1.22 in |
| Chamfer Dimension (r₁,₂) | min. 0.043 in |
| Chamfer Dimension (r₃,₄) | min. 0.024 in |
| Diameter of Shaft Abutment (dₐ) | min. 1.457 in |
| Abutment Diameter Housing (Dₐ) | max. 2.559 in |
| Diameter of Housing Abutment (Dᵦ) | max. 2.669 in |
| Radius of Fillet (rₐ) | max. 0.039 in |
| Radius of Fillet (rᵦ) | max. 0.024 in |
Applicable Machines and Industries
The 7306 BECBP Single Row Angular Contact Ball Bearings are versatile components used in various types of machinery where high-speed operations and precision are critical. Here’s a list of typical machines where these bearings are utilized, the roles they play, and common brands associated with these machines:
1. Machine Tools (e.g., CNC Machines, Milling Machines)
- Role: In machine tools, the 7306 BECBP bearings are used in the spindle assembly to support both radial and axial loads, ensuring smooth rotation and precision during high-speed machining operations.
- Common Brands:
- Mazak
- DMG Mori
- Haas Automation
- Okuma
- Makino
2. Electric Motors (e.g., Servo Motors, Industrial Electric Motors)
- Role: In electric motors, these bearings support the motor shaft, maintaining stability and reducing friction to ensure efficient and reliable operation.
- Common Brands:
- Siemens
- ABB
- WEG
- Baldor
- Mitsubishi Electric
3. Pumps (e.g., Centrifugal Pumps, Hydraulic Pumps)
- Role: These bearings are essential in pumps to handle the combined radial and axial loads, enabling the pump shaft to rotate smoothly and reliably under high pressure and speed conditions.
- Common Brands:
- Grundfos
- KSB
- Flowserve
- Sulzer
- ITT Goulds Pumps
4. Gearboxes (e.g., Industrial Gearboxes, Automotive Gearboxes)
- Role: In gearboxes, the bearings support the gears and shafts, facilitating smooth transmission of power and reducing friction between moving parts.
- Common Brands:
- SEW Eurodrive
- Bonfiglioli
- Sumitomo
- ZF Friedrichshafen
- Brevini
5. Robotics (e.g., Industrial Robots, Automation Systems)
- Role: Bearings in robotics are critical for the precise movement of robotic arms and joints, ensuring accuracy and reliability in automated tasks.
- Common Brands:
- KUKA
- FANUC
- ABB Robotics
- Yaskawa
- Universal Robots
6. Compressors (e.g., Air Compressors, Gas Compressors)
- Role: In compressors, the bearings are used to support the compressor shaft, enabling it to handle high rotational speeds while minimizing friction and wear.
- Common Brands:
- Atlas Copco
- Ingersoll Rand
- Kaeser
- Sullair
- Gardner Denver
These bearings play a crucial role in ensuring the efficient, precise, and reliable operation of these machines across various industries.
7306 BECBP Bearing Cross Reference and Interchange
| Manufacturer | Equivalent Bearing Model |
|---|---|
| SKF | 7306 BECBM |
| Amigo | 7306B |
| FAG | 7306-B-MP-UO |
| NSK | 7306 BW |
| NTN | 7306 C |
| TIMKEN | 7306 WN |
This table consolidates the key specifications and cross-references for the 7306 BECBP bearing, providing a comprehensive overview of its technical characteristics and equivalents from different manufacturers.
Choosing the Right Bearing
Choosing the 7306 BECBP Single Row Angular Contact Ball Bearing over similar models is ideal in the following scenarios:
When to Choose 7306 BECBP Single Row Angular Contact Ball Bearings
Balanced Radial and Axial Loads: The 30° contact angle of the 7306 BECBP makes it perfect for applications where both radial and axial loads need to be managed efficiently. This is often required in high-speed machinery such as CNC machines and electric motors.
High Dynamic Load Capacity: With a dynamic load capacity of 37.5 kN, the 7306 BECBP outperforms other models like the 7306 BEGBM and 7306 BE2RZP, making it more suitable for applications that involve significant and dynamic forces.
Superior Fatigue Resistance: The 7306 BECBP has a higher fatigue limit load compared to other models, which means it will last longer under repeated stresses, especially in high-speed operations.
Speed Requirements: The 7306 BECBP allows for higher speeds, with an oil lubrication limit of 15,000 tr/min and a grease lubrication limit of 11,000 tr/min. This makes it the best choice for applications where maintaining high speed is crucial.
Efficiency in High-Speed Applications: The lower mass of 0.345 kg and higher speed capabilities make the 7306 BECBP ideal for high-speed applications, such as in precision machine tools and high-speed electric motors, where efficiency is key.
Cost-Effectiveness without Sealing: Unlike the 7306 BE2RZP, which includes sealing and is therefore more expensive, the 7306 BECBP offers excellent performance at a more cost-effective price point for environments where sealing isn’t necessary.
When choosing a bearing for high-speed, high-load applications that require durability and efficiency, the 7306 BECBP Single Row Angular Contact Ball Bearing stands out. It offers a balanced combination of load handling, fatigue resistance, and speed capability, making it a versatile and reliable choice for demanding industrial applications.
| Feature | 7306 BECBP | 7306 BEGBM | 7306 BE2RZP | 7306 BECBM |
|---|---|---|---|---|
| Contact Angle | 30° | 40° | 30° | 40° |
| Internal Diameter (d) | 30 mm | 30 mm | 30 mm | 30 mm |
| External Diameter (D) | 72 mm | 72 mm | 72 mm | 72 mm |
| Width (B) | 19 mm | 19 mm | 19 mm | 19 mm |
| Dynamic Load (C) | 37.5 kN | 36 kN | 35.2 kN | 35.2 kN |
| Static Load (C0) | 22.3 kN | 21.4 kN | 20.5 kN | 20.5 kN |
| Fatigue Limit Load (Cu) | 1.75 kN | 1.7 kN | 1.6 kN | 1.6 kN |
| Oil Lubrication Limit Speed (N lim) | 15,000 tr/min | 13,000 tr/min | 12,000 tr/min | 13,000 tr/min |
| Grease Lubrication Limit Speed (N lim) | 11,000 tr/min | 9,500 tr/min | 8,000 tr/min | 9,500 tr/min |
| Sealing | Without | Without | With Sealing | Without |
| Mass | 0.345 kg | 0.335 kg | 0.365 kg | 0.345 kg |
| Applications | High-speed, high-load environments | High axial load requirements | Environments needing sealing | General-purpose high-speed applications |
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Why Amigo 7306 BECBP Bearings Are the Top Choice
I recently installed the 7306 BECBP bearing in our CNC machine, and the performance has been outstanding. The precision and smooth operation remind me of the SKF bearings we've used in the past. The bearing has handled the high-speed rotations and heavy loads effortlessly, ensuring that our machine operates without any hitches. I’m genuinely impressed with the quality—it’s as good as any top-tier brand I’ve tried before.
Katrina Hansen
We’ve switched to the 7306 BECBP bearings for our electric motors, and the experience has been fantastic. The installation was smooth, and the bearings run quietly, just like the SKF ones we've used before. What stood out was how well they performed under high-speed conditions. These bearings have quickly become our go-to choice for all our high-performance motor applications.
Abe Halvorson
I was initially skeptical about trying a new brand, but the 7306 BECBP bearings exceeded my expectations. We’ve used them in our industrial pumps, and they’ve handled the demanding environment just as well as the more expensive FAG bearings we’ve used previously. The durability and efficiency of these bearings are on par with the best in the market. I would highly recommend them to anyone looking for quality bearings at a reasonable price.
Billie Anderson
After installing the 7306 BECBP bearing in our gearbox, I was pleasantly surprised by how smooth and quiet it ran. The performance is virtually identical to the NSK bearings we’ve relied on in the past. These bearings have managed high loads and continuous operation with ease, showing no signs of wear. It's clear that this bearing offers the same high-quality performance as the leading brands, making it an excellent choice for anyone looking to save without compromising on quality.
Rafael Gutkowski
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