Deep Groove Ball Bearing:6406

Product Name: Deep Groove Ball Bearing:6406
Type: Ball Bearing Brand : FODA
New Model: 6406 Old Model: 406
Inner Diameter (mm): 30 Outer Diameter (mm): 90
Thickness (mm): 23 Weight (kg/pc): 0.74

Description

Basic Parameters

The Deep Groove Ball Bearing 6406 is a heavy-series bearing characterized by its “6” prefix indicating it is a deep groove ball type, designed for high radial load capacity with some ability to withstand axial loads. The “4” in the model denotes the heavy diameter series, meaning it has larger outer diameter (72mm) and width (19mm) compared to lighter series, making it suitable for heavy-duty applications. The inner diameter, derived from the “06” code (calculated as 06 × 5), is 30mm. With a default tolerance grade of Grade 0 (normal precision), it offers standard dimensional and rotational accuracy for general machinery. Its typical applications include industrial motors, reducers, mining equipment, and conveyors, where it supports high radial loads in moderate-to-high-speed operations. For higher precision needs, grades like P6 or P5 can be specified additionally.

Product Application

The Deep Groove Ball Bearing 6406, featuring a heavy-series design (outer diameter 72mm, width 19mm, inner diameter 30mm) and robust radial load-carrying capacity, is widely utilized in industrial scenarios requiring high-strength support and stable operation. Below is a breakdown of its core application areas and scenarios:
1. Industrial Power Transmission Equipment

Electric Motors & Gear Reducers: Serves as a support component for motor spindles or gear shafts in reducers, handling high radial loads and start-stop impacts. It adapts to the high-speed operation requirements of medium-to-small industrial motors (e.g., 15-30kW motors) and gear reducers, ensuring tranmission efficiency and long-term reliability.

Compressors & Pumps: Supports impeller shafts in centrifugal water pumps and air compressors, withstanding radial pressures and axial pulsating loads from fluid media. Suitable for conventional conditions in water pumps, oil pumps, etc., and can be equipped with seals (e.g., 6406-2RS) for dusty or wet environments.

2. Heavy Machinery & Mining Equipment

Mining Conveyors & Screening Machinery: Used to support roller shafts in belt conveyors and main shafts in vibrating screens, enduring heavy-duty impacts and vibrations during ore transportation. The heavy-series structure design minimizes bearing deformation risks and extends maintenance intervals in harsh mining conditions.

Crushing & Grinding Equipment: Installed in the main shafts of jaw crushers or ball mills, resisting high-frequency impact loads from material crushing and grinding processes, ensuring stable operation in high-load, low-speed applications.

3. Agricultural Machinery

Tractor Transmissions & Harvester Drives: Supports gear shafts in tractor gearboxes and cutting mechanism drives in combine harvesters, handling variable radial loads from agricultural operations (e.g., tilling, harvesting). Its simple structure allows for easy maintenance, critical for minimizing downtime in field machinery.

Irrigation Pumps & Grain Processing Equipment: Used in water pump shafts for irrigation systems and conveyor rollers in grain dryers, tolerating moisture, dust, and occasional misalignment common in agricultural environments.

4. Transportation & Conveyor Systems

Conveyor Rollers & Logistic Equipment: Installed in roller shafts of warehouse conveyors or baggage handling systems, enabling smooth material transportation under medium-to-heavy loads. Its high-speed compatibility ensures efficient operation in automated logistics lines.

Light Industrial Vehicles: Used in wheel hubs or drive shafts of electric forklifts and AGVs (Automated Guided Vehicles), balancing radial loads from vehicle weight and axial forces from steering, supporting precise motion control in narrow-space operations.

5. General Industrial Machinery

Printing & Packaging Machines: Supports rotating cylinders in offset presses or sealing rollers in packaging lines, maintaining high rotational accuracy for consistent production quality, even under frequent start-stop cycles.

Ventilation Systems & Fans: Used in fan shafts of industrial blowers or air conditioning units, optimizing energy efficiency through low-friction operation and resisting axial loads from impeller imbalances.

Product List 

 Bearing No. Dimensions (mm) Basic Load Rating (N)      Weight (kg)
ISO GOST d D B Dyn. C Stat. C0
6405 405 25 80 21 35800 19300 0.530
6406 406 30 90 23 43600 23600 0.740
6407 407 35 100 25 55300 31000 0.950
6408 408 40 110 27 63700 36500 1.250
6409 409 45 120 29 76100 45000 1.550
6410 410 50 130 31 87100 52000 1.900
6411 411 55 140 33 99500 62000 2.300
6412 412 60 150 35 108000 69500 2.750
6413 413 65 160 37 119000 78000 3.300
6414 414 70 180 42 143000 10400 4.850
6415 415 75 190 45 153000 114000 6.800
6416 416 80 200 48 162000 125000 6.422
6417 417 85 210 52 174000 137000 9.500
6418 418 90 225 54 186000 150000 9.560
6419 419 95 240 55 188000 153000 11.000
6420 420 100 250 58 206000 175000 12.900
6421 421 105 260 60 222000 179000 16.800
6422 422 110 280 65 247000 227000 21.300
6424 424 120 310 72 291000 287000 29.000
6426 426 130 340 78 300000 298000 38.000

 

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