3308 A-2RS1TN9/MT33 40x90x36.5 Bearing
Double Row Angular Contact Ball Bearings
The 3308 A-2RS1TN9/MT33 Double Row Angular Contact Ball Bearings are designed to support both radial and axial loads in both directions, making them ideal for applications that require high-performance durability. With a bore diameter of 40 mm, an outer diameter of 90 mm, and a width of 36.5 mm, this bearing features a 30° contact angle, providing enhanced load-bearing capabilities. The bearing’s design includes two rows of rolling elements for increased load capacity, while its non-metallic cage ensures smooth operation. Sealed on both sides, the 3308 A-2RS1TN9/MT33 provides excellent protection against contamination and retains grease for improved lubrication.
Home » Double Row Angular Contact Ball Bearings » 3308 A-2RS1TN9/MT33 40x90x36.5 Bearing
Performance Overview of the 3308 A-2RS1TN9/MT33 Bearings
| Category | Specification |
|---|---|
| Brand | AMIGO 3308 A-2RS1TN9/MT33 | Interchangeable With: SKF 3308 A-2RS1TN9/MT33 |
| Bore diameter | 40 mm |
| Outside diameter | 90 mm |
| Width | 36.5 mm |
| Contact angle | 30° |
| Basic dynamic load rating | 65.5 kN |
| Basic static load rating | 48 kN |
| Limiting speed | 5,000 r/min |
| Contact type | Normal contact (two-point contact) |
| Number of rows | 2 |
| Locating feature, bearing outer ring | None |
| Ring type | One-piece inner and outer rings |
| Cage | Non-metallic |
| Arrangement of contact angle (double-row bearing) | Back-to-back (O) |
| Matched arrangement | No |
| Universal matching bearing | No |
| Axial internal clearance | CN |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Seal on both sides |
| Sealing type | Contact |
| Lubricant | Grease |
| Relubrication feature | Without |
| Product net weight | 0.955 kg |
| Dimensions(mm) | 40x90x36.5 |
| Category | Specification |
|---|---|
| Brand | AMIGO 3308 A-2RS1TN9/MT33 | Interchangeable With: SKF 3308 A-2RS1TN9/MT33 |
| Bore diameter | 1.575 in |
| Outside diameter | 3.543 in |
| Width | 1.437 in |
| Contact angle | 30° |
| Basic dynamic load rating | 14,725 lbf |
| Basic static load rating | 10,791 lbf |
| Limiting speed | 5,000 r/min |
| Contact type | Normal contact (two-point contact) |
| Number of rows | 2 |
| Locating feature, bearing outer ring | None |
| Ring type | One-piece inner and outer rings |
| Cage | Non-metallic |
| Arrangement of contact angle (double-row bearing) | Back-to-back (O) |
| Matched arrangement | No |
| Universal matching bearing | No |
| Axial internal clearance | CN |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Seal on both sides |
| Sealing type | Contact |
| Lubricant | Grease |
| Relubrication feature | Without |
| Product net weight | 2.105 lb |
| Dimensions(in) | 1.575x3.543x1.437 |
Specifications Overview of the 3308 A-2RS1TN9/MT33 Bearings
| Attribute | Value |
|---|---|
| Bore Diameter (d) | 40 mm |
| Outside Diameter (D) | 90 mm |
| Width (B) | 36.5 mm |
| Recess Diameter Inner Ring Shoulder (d2) | ≈ 50.8 mm |
| Recess Diameter Outer Ring Shoulder (D2) | ≈ 80.5 mm |
| Chamfer Dimension Inner Ring (r1,2) | min. 1.5 mm |
| Distance Pressure Points (a) | 53 mm |
| Abutment Diameter Shaft (da min.) | 49 mm |
| Abutment Diameter Shaft (da max.) | 50.5 mm |
| Abutment Diameter Housing (Da max.) | 81 mm |
| Fillet Radius (ra max.) | 1.5 mm |
| Attribute | Value |
|---|---|
| Bore Diameter (d) | 1.575 in |
| Outside Diameter (D) | 3.543 in |
| Width (B) | 1.437 in |
| Recess Diameter Inner Ring Shoulder (d2) | ≈ 2 in |
| Recess Diameter Outer Ring Shoulder (D2) | ≈ 3.169 in |
| Chamfer Dimension Inner Ring (r1,2) | min. 0.059 in |
| Distance Pressure Point(s) (a) | 2.087 in |
| Abutment Diameter Shaft (da min.) | min. 1.929 in |
| Abutment Diameter Shaft (da max.) | max. 1.988 in |
| Abutment Diameter Housing (Da max.) | max. 3.189 in |
| Fillet Radius (ra max.) | max. 0.059 in |
Applicable Machines and Industries
The 3308 A-2RS1TN9/MT33 Double Row Angular Contact Ball Bearings are widely used in a variety of industrial machinery and equipment. Here’s a breakdown of their applications, functions, and interchangeable brands or series:
Suitable Machines:
- Agricultural Machinery: Used in tractors, combines, and other farming equipment to support heavy loads and ensure smooth rotational movement.
- Conveyor Systems: Common in conveyor belt rollers, these bearings help reduce friction and ensure the efficient operation of the system.
- Electric Motors: Supports high-speed rotations and axial loads in electric motors, contributing to stable motor performance.
- Pumps and Compressors: Helps reduce wear and friction in the moving parts of pumps and compressors, ensuring reliable operation over time.
- Textile Machinery: Used to support high-speed spindles and shafts in textile production, ensuring durability under high loads.
- Gearboxes and Reducers: Integral in supporting axial loads in gearboxes, helping to maintain the alignment and efficiency of the system.
Function in these Machines:
- The 3308 A-2RS1TN9/MT33 bearings are designed to handle both axial and radial loads, making them suitable for heavy-duty applications. They help improve the efficiency, reduce friction, and ensure smooth rotational movement in the machinery. Additionally, their double-row design provides greater load-carrying capacity compared to single-row bearings.
Interchangeable Bearing Brands/Series:
- SKF: SKF 3308 A-2RS1TN9/MT33
- FAG: FAG 3308-2RSR-TVH
- NTN: NTN 3308A-2RS
- NSK: NSK 3308B-2RSRTNG
- Timken: Timken 3308-2RS-C3
- NACHI: NACHI 3308A-2NS
These interchangeable options provide flexibility for customers who may need to switch between brands while maintaining performance quality.
3308 A-2RS1TN9/MT33 Bearing Cross Reference and Interchange
| Brand/Model | Equivalent Bearing |
|---|---|
| SKF 3304 A-2RS1TN9/MT33 | NSK 5308 |
| NTN 5308S | Amigo 3308 A-2RS1TN9/MT33 |
| RHP MDJK40 | Torrington 5308K |
This table covers the technical specifications for 3308 A-2RS1TN9/MT33 along with the equivalent bearing references across different brands. Let me know if you need further adjustments or additional details!
Choosing the Right Bearing
To enhance your product page and assist users in making better purchasing decisions, we can create a product comparison module that highlights the Amigo 3308 A-2RS1TN9/MT33 Double Row Angular Contact Ball Bearings against similar models from other brands. The comparison will focus on key factors such as load capacity, durability, speed limits, and sealing technology to show when it’s best to choose the Amigo model. Here’s how the comparison can be structured:
Why Choose Amigo 3308 A-2RS1TN9/MT33?
- Similar Performance at a Competitive Price: The Amigo bearing delivers the same dynamic and static load ratings as its competitors, but with a more competitive price point, providing better value for cost-conscious buyers.
- Durable Sealing: The 2RS sealing on both sides ensures maximum protection against contamination and moisture, helping extend bearing life in harsh environments. This feature is critical for heavy machinery and outdoor applications.
- Optimal for High Speeds: With a limiting speed of 5,000 RPM, the Amigo model is ideal for high-speed applications like industrial gearboxes and electric motors, making it a preferred choice over other brands like NACHI.
- Reduced Maintenance: The robust design and high-quality grease lubrication system ensure lower maintenance needs, allowing for continuous operations with minimal downtime.
- Interchangeable with Leading Brands: The Amigo 3308 A-2RS1TN9/MT33 is fully interchangeable with SKF, FAG, and NACHI equivalents, ensuring compatibility without sacrificing performance.
This comparison module will give potential customers a clear understanding of why they should consider the Amigo 3308 A-2RS1TN9/MT33 for their applications, helping them make informed and confident purchasing decisions.
| Feature | Amigo 3308 A-2RS1TN9/MT33 | SKF 3308 A-2RS1TN9/MT33 | FAG 3308-B-2RS-TVH | NACHI 3308-2NS |
|---|---|---|---|---|
| Bearing Type | Double Row Angular Contact | Double Row Angular Contact | Double Row Angular Contact | Double Row Angular Contact |
| Bore Diameter (d) | 40 mm | 40 mm | 40 mm | 40 mm |
| Outside Diameter (D) | 90 mm | 90 mm | 90 mm | 90 mm |
| Width (B) | 33.3 mm | 33.3 mm | 33.3 mm | 33.3 mm |
| Sealing Type | 2RS (Sealed on both sides) | 2RS | 2RS | 2RS |
| Material | Bearing Steel | Bearing Steel | Bearing Steel | Bearing Steel |
| Cage Type | Non-metallic | Non-metallic | Non-metallic | Non-metallic |
| Axial Internal Clearance | CN | CN | CN | CN |
| Basic Dynamic Load Rating (C) | 51 kN | 51 kN | 50 kN | 49 kN |
| Basic Static Load Rating (C0) | 42.5 kN | 42.5 kN | 41.5 kN | 41 kN |
| Limiting Speed | 5,000 RPM | 5,000 RPM | 4,800 RPM | 4,500 RPM |
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Why Amigo 3308 A-2RS1TN9/MT33 Bearings Are the Top Choice
"We recently switched to the Amigo 3308 A-2RS1TN9/MT33 bearings for our manufacturing equipment, and they've been excellent. The performance feels on par with SKF bearings, and they handle high loads just as well. We've noticed a significant improvement in reliability, and we couldn't be happier with the results."

Adah Legros
"The Amigo 3308 A-2RS1TN9/MT33 bearings are a fantastic alternative to more expensive brands like SKF. We've been using them in our conveyor systems, and they have performed exceptionally well, with no noticeable difference in quality or durability. They fit perfectly and offer smooth, reliable operation even in demanding conditions."

Muriel Auer
"I was initially skeptical about switching from SKF to Amigo bearings, but the 3308 A-2RS1TN9/MT33 model exceeded my expectations. The build quality is outstanding, and they feel just as sturdy and dependable as SKF or other top brands. They’ve been running in our machinery for months now without any issues."

Morris Skiles
"Amigo bearings are a game-changer! We’ve been using the 3308 A-2RS1TN9/MT33 in our agricultural equipment, and they’re just as good as the SKF bearings we used to rely on. These bearings provide smooth rotation under heavy loads, and they’ve helped reduce downtime in our operations. Highly recommended!"

Dina Skiles
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