NCF 3008 40x68x21 Bearing
Single Row Full Complement Cylindrical Roller Bearings
he NCF 3008 Single Row Full Complement Cylindrical Roller Bearing is a robust and efficient component designed for high-load applications. This bearing type is particularly suited for industries where heavy loads and low to moderate speeds are common, such as in heavy machinery, industrial gearboxes, and equipment used in mining, construction, and other demanding environments.
Performance Overview of the NCF 3008 Bearings
| Category | Details |
|---|---|
| Brand | AMIGO NCF 3008 | Interchangeable With: SKF NCF 3008 |
| Bore Diameter | 40 mm |
| Outside Diameter | 68 mm |
| Width | 21 mm |
| Bearing Part | Complete bearing |
| Axial Displacement Capability | In one direction |
| Number of Rows | 1 |
| Locating Feature, Bearing Outer Ring | None |
| Bore Type | Cylindrical |
| Cage | Without |
| Design | Non-separable |
| Number of Flanges, Outer Ring | 1 |
| Number of Flanges, Inner Ring | 2 |
| Loose Flange | None |
| Radial Internal Clearance | CN |
| Tolerance Class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Basic Dynamic Load Rating | 57.2 kN |
| Basic Static Load Rating | 69.5 kN |
| Reference Speed | 4 800 r/min |
| Limiting Speed | 6 000 r/min |
| Product Net Weight | 0.302 kg |
| Brand | 40x68x21 |
| Category | Details |
|---|---|
| Brand | AMIGO NCF 3008 | Interchangeable With: SKF NCF 3008 |
| Bore Diameter | 1.575 in |
| Outside Diameter | 2.677 in |
| Width | 0.827 in |
| Bearing Part | Complete bearing |
| Axial Displacement Capability | In one direction |
| Number of Rows | 1 |
| Locating Feature, Bearing Outer Ring | None |
| Bore Type | Cylindrical |
| Cage | Without |
| Design | Non-separable |
| Number of Flanges, Outer Ring | 1 |
| Number of Flanges, Inner Ring | 2 |
| Loose Flange | None |
| Radial Internal Clearance | CN |
| Tolerance Class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Basic Dynamic Load Rating | 12,859 lbf |
| Basic Static Load Rating | 15,624 lbf |
| Reference Speed | 4,800 r/min |
| Limiting Speed | 6,000 r/min |
| Product Net Weight | 0.6658 lb |
| Brand | 40x68x21 |
Specifications Overview of the NCF 3008 Bearings
| Category | Details |
|---|---|
| Bore diameter | 40 mm |
| Outside diameter | 68 mm |
| Width | 21 mm |
| Raceway diameter outer ring | 61.74 mm |
| Permissible axial displacement | max. 2 mm |
| Chamfer dimension (r1,2) | min. 1 mm |
| Chamfer dimension (r3,4) | min. 0.3 mm |
| Abutment diameter shaft | min. 45 mm |
| Abutment diameter shaft | 47.9 mm |
| Abutment diameter housing | max. 63 mm |
| Abutment diameter housing | max. 65 mm |
| Fillet radius (r_a) | max. 1 mm |
| Fillet radius (r_b) | max. 0.3 mm |
| Category | Details |
|---|---|
| Bore diameter | 1.575 in |
| Outside diameter | 2.677 in |
| Width | 0.827 in |
| Raceway diameter outer ring | 2.431 in |
| Permissible axial displacement | max. 0.079 in |
| Chamfer dimension (r1,2) | min. 0.039 in |
| Chamfer dimension (r3,4) | min. 0.012 in |
| Abutment diameter shaft | min. 1.772 in |
| Abutment diameter shaft | 1.886 in |
| Abutment diameter housing | max. 2.48 in |
| Abutment diameter housing | max. 2.559 in |
| Fillet radius (r_a) | max. 0.039 in |
| Fillet radius (r_b) | max. 0.012 in |
Applicable Machines and Industries
NCF 3008 Single Row Full Complement Cylindrical Roller Bearings are typically used in various industrial machines due to their high load-carrying capacity and ability to accommodate axial displacement. These bearings are especially suitable for applications where heavy radial loads are present and where the speed is relatively moderate. Below is a list of machines where NCF 3008 bearings are commonly applied, along with their roles and popular brands that manufacture these machines.
1. Industrial Gearboxes
- Role: NCF 3008 bearings in industrial gearboxes support high radial loads and ensure smooth rotational movement of the gears under heavy load conditions.
- Common Brands: Siemens, SEW-EURODRIVE, Bonfiglioli, Nord Drivesystems.
2. Conveyors
- Role: These bearings support the conveyor rollers, providing stability and reducing friction, ensuring efficient movement of materials along the conveyor belt.
- Common Brands: FlexLink, Dorner, Bosch Rexroth, Interroll.
3. Cranes and Hoists
- Role: NCF 3008 bearings in cranes and hoists provide the necessary support for drum shafts and other rotating elements, ensuring reliable lifting and lowering operations.
- Common Brands: Liebherr, Konecranes, Demag, Terex.
4. Pumps
- Role: In pumps, NCF 3008 bearings handle the radial loads generated by the impeller, ensuring smooth operation and longevity of the pump.
- Common Brands: Grundfos, Sulzer, KSB, Wilo.
5. Heavy-Duty Fans and Blowers
- Role: These bearings provide the support needed for the fan shafts, allowing the fans to operate efficiently under high load conditions.
- Common Brands: Greenheck, Twin City Fan, Chicago Blower, Howden.
6. Textile Machinery
- Role: NCF 3008 bearings are used in textile machinery to support high-speed rollers, ensuring continuous and efficient fabric processing.
- Common Brands: Rieter, Toyota Industries, Picanol, Saurer.
NCF 3008 Bearing Cross Reference and Interchange
| Manufacturer | Bearing Designation | Equivalent Bearing |
|---|---|---|
| SKF | NCF 3008 CV | SKF NCF 3008 CV |
| Amigo | NCF 3008 | Amigo NCF 3008 |
| FAG | NCF 3008 V | FAG NCF 3008 V |
| INA | SL183008 | INA SL183008 |
Above is a cross reference table and the basics to help you make an informed decision.
Choosing the Right Bearing
If you need a bearing with high load capacity, higher speed tolerance, and cost-effective pricing, Amigo NCF 3008 is an excellent choice.
When to Choose Amigo NCF 3008 Bearings
Choosing the right bearing depends on various factors including load capacity, speed, material quality, and price. Here’s why you might choose Amigo NCF 3008 over other similar models:
Superior Load Capacity: The Amigo NCF 3008 bearing is designed to handle slightly higher dynamic and static loads compared to some other models, making it ideal for heavy-duty applications.
Higher Limiting Speed: With a limiting speed of 6,000 r/min, Amigo NCF 3008 bearings are better suited for applications requiring higher operational speeds without compromising on performance.
Cost-Effective: Compared to high-end brands like SKF, the Amigo NCF 3008 offers a more competitive price while maintaining similar performance characteristics, making it a cost-effective choice for budget-conscious buyers.
Wide Availability: Amigo bearings are widely available and come with a reliable supply chain, ensuring that you can get replacements or additional units when needed without long lead times.
High-Grade Material: Manufactured from high-grade bearing steel, Amigo NCF 3008 bearings offer excellent durability and resistance to wear, ensuring longer service life in demanding applications.
Customer Support and Warranty: Amigo provides strong customer support and a 1-year warranty, giving buyers confidence in the product’s reliability and performance.
| Feature | Amigo NCF 3008 | SKF NCF 3008 CV | FAG NCF 3008 V | INA NCF 3008 V |
|---|---|---|---|---|
| Load Capacity (Dynamic) | 57.2 kN | 57.0 kN | 56.9 kN | 57.1 kN |
| Load Capacity (Static) | 69.5 kN | 69.0 kN | 68.8 kN | 69.1 kN |
| Bore Diameter | 40 mm | 40 mm | 40 mm | 40 mm |
| Outer Diameter | 68 mm | 68 mm | 68 mm | 68 mm |
| Width | 21 mm | 21 mm | 21 mm | 21 mm |
| Limiting Speed | 6,000 r/min | 5,800 r/min | 5,700 r/min | 5,900 r/min |
| Material | High-grade Bearing Steel | Bearing Steel | Bearing Steel | Bearing Steel |
| Relubrication Feature | Without | Without | Without | Without |
| Price | Competitive | Higher | Mid-range | Mid-range |
| Availability | Widely Available | Limited Availability | Available | Available |
| Warranty | 1 Year | 1 Year | 1 Year | 1 Year |
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Why Amigo NCF 3008 Bearings Are the Top Choice
"I've been using the Amigo NCF 3008 bearings in my heavy machinery for the past year, and I'm thoroughly impressed with their performance. The bearings run smoothly even under high loads, and I haven't noticed any significant wear or tear. Honestly, they feel very similar to the SKF bearings I've used in the past, but at a much more competitive price. I'll definitely be sticking with Amigo for future projects!"
Alexie Cole
"The Amigo NCF 3008 bearings exceeded my expectations. Installation was straightforward, and they've been operating flawlessly since day one. What I appreciate most is how comparable they are to SKF bearings in terms of reliability and durability. These bearings offer excellent value without compromising on quality, making them a great choice for anyone looking to maintain high standards while staying within budget."
Caitlyn Hauck
"We decided to try Amigo NCF 3008 bearings as an alternative to SKF, and I have to say, I'm very satisfied with the decision. The bearings fit perfectly, and their performance has been nothing short of stellar. They handle the heavy loads in our equipment just as well as the SKF bearings we previously used. I highly recommend giving Amigo a try if you're looking for a dependable bearing without the premium price tag."
Jordon DuBuque
"Switching to Amigo NCF 3008 bearings was a great move for our production line. The bearings have been running smoothly for months now, with no signs of degradation. They are every bit as reliable as the SKF bearings we've used in the past, and the cost savings have been substantial. If you're looking for a high-quality bearing that doesn't break the bank, Amigo is the way to go."
Amara Dicki
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