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Model Number : BF3020
Type : Flat needle roller bearing
MOQ : 1 PCS
Delivery Time : 3-8 working days
Bearing length : 100-2000 mm
Certification : ISO 9001 2000
Needle diameter : 3 mm
Packaging Details : carton box + wooden case
Payment Terms : T/T,Western Union
Lead time : 3-5 days
Price : negotiation or inquiry
Retainer type : Steel cage
Supply Ability : 10000 PCS per Month
Application : Automotive transmissions, gearboxes, drivetrain systems, differential assemblies, wheel-related auxiliary systems, and other automotive rotating components.
Brand Name : As per request
Material : steel
Place of Origin : Germany
Bearing with : 20 mm
The BF3020 Flat Needle Roller Bearing is a linear flat roller bearing designed to provide smooth, low-friction linear motion between two parallel surfaces. It consists of a precision steel cage and needle rollers arranged in a compact, flat configuration. Its low-profile design makes it suitable for applications requiring high load capacity, stable movement, and minimal installation space.
The bearing is designed to reduce friction and wear during reciprocating or linear movement. Its steel cage helps maintain proper roller spacing and alignment, supporting reliable operation in machine tools, industrial automation equipment, precision machinery, and linear guide systems.
| Parameter | Specification |
|---|---|
| Bearing Model | BF3020 |
| Bearing Type | Flat needle roller bearing |
| Needle diameter | 3 mm |
| Bearing width | 20 mm |
| Bearing thickness | 3 mm |
| Needle roller length(Lw) | 15.8 mm |
| Needle roller distance | 6 mm |
| End distance | 4.5 mm |
| Load capacity | 57800 N |
| Cage Material | Stamped Steel |
| Bearing Design | Inch Series, Separable Cone and Cup |


Compact Flat Design: Ideal for applications with limited installation space.
Smooth Linear Motion: Needle rollers reduce friction between moving surfaces.
High Load Capacity: Multiple rollers distribute loads across the contact surface.
Durable Steel Construction: Designed for dependable performance under suitable operating conditions.
Stable Roller Guidance: The cage maintains roller spacing during movement.
Versatile Applications: Suitable for linear guides, machine tools, automation systems, and precision equipment.
machine tools, industrial automation equipment, precision machinery, and linear guide systems.
| Metric Bearing No. | d (mm) | D (mm) | T (mm) | B (mm) | C (mm) | R (mm) | r (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 33012 | 60.000 | 95.000 | 27.000 | 26.000 | 21.000 | 1.5 | 1.5 | 0.666 |
| 33013 | 65.000 | 100.000 | 27.000 | 27.000 | 21.000 | 1.5 | 1.5 | 0.740 |
| 33016 | 80.000 | 125.000 | 36.000 | 36.000 | 29.500 | 1.5 | 1.5 | 1.615 |
| 33019 | 95.000 | 145.000 | 39.000 | 39.000 | 32.500 | 2.0 | 2.0 | 2.260 |
| 33021 | 105.000 | 160.000 | 43.000 | 43.000 | 34.000 | 2.5 | 2.0 | 2.980 |
| 33108 | 40.000 | 75.000 | 26.000 | 26.000 | 20.500 | 1.5 | 1.5 | 0.484 |
| 33109 | 45.000 | 80.000 | 26.000 | 26.000 | 20.500 | 1.5 | 1.5 | 0.536 |
| 33110 | 50.000 | 85.000 | 26.000 | 26.000 | 20.000 | 1.5 | 1.5 | 0.595 |
| 33113 | 65.000 | 110.000 | 34.000 | 34.000 | 26.500 | 1.5 | 1.5 | 1.300 |
| 33116 | 80.000 | 130.000 | 37.000 | 37.000 | 29.000 | 2.0 | 1.5 | 1.864 |
| 33118 | 90.000 | 150.000 | 45.000 | 45.000 | 35.000 | 2.5 | 2.0 | 3.130 |

For purchasing BF3020 flat needle roller bearings, contact our professional team:
Email: sales@transmission-chain.com
WhatsApp: 008615006175975
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BF3020 Flat Needle Roller Bearing Linear Guide Roller Assembly for Precision Machine Tools, Industrial Automation and Machinery Images |