7301B 12*37*12 mm Single Row Angular Contact Ball Bearing
The 7301 bearing,with a bore diameter of 12 mm, outside diameter of 37 mm,
and width of 12 mm.This single row angular contact ball bearing can
support both radial and axial loads simultaneously, with the axial
load being accommodated in one direction only. Depending on the
specific model, this bearing is capable of operating at high speeds
or even extremely high speeds. Compared to deep groove ball
bearings, it can withstand significantly greater unidirectional
axial forces.It is particularly well-suited for situations needing robust handling
of both radial and significant unidirectional axial loads at high
speeds.
| Part Number | 7301 B |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 12 mm |
| Outer Bore Diameter (D) | 37 mm |
| Width (B) | 12 mm |
| Specifications | Contact Angle | 40° |
| Material | Chrome Steel |
| Cage Material | Nylon |
| Number of Rows | Single Row |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Lubricated |
| Tolerance Class | P6 (ABEC-3) |
| Weight | 0.06 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Load and Speed | Dynamic Radial Load | 9600 N |
| Static Radial Load | 4000 N |
| Reference Speed For Grease (r/min) | 16,000 rpm |
| Limiting Speed For Oil(r/min) | 24,000 rpm |
| Bearing Number | Dimensions (mm) | Basic Load Rating(N) | Limiting Speeds(rpm) | Reference
Weight(Kg) |
| Inner Diameter | Outer Diameter | Width | Chamfer | Dynamic | Static | Grease | Oil |
| d | D | B | rmin | r1min | Cr | Cor | Non-contact | Wt ≈ |
| 7301B | 12 | 37 | 12 | 0.60 | 0.30 | 9600 | 4000 | 16000 | 24000 | 0.060 |
| 7302B | 15 | 42 | 13 | 1.00 | 0.60 | 12000 | 6000 | 14000 | 22000 | 0.080 |
| 7303B | 17 | 47 | 14 | 1.00 | 0.60 | 14000 | 8000 | 13000 | 18000 | 0.110 |
| 7304B | 20 | 52 | 15 | 1.00 | 0.60 | 17300 | 9650 | 11000 | 15000 | 0.140 |
| 7305B | 25 | 62 | 17 | 1.10 | 0.60 | 26200 | 15200 | 8500 | 12000 | 0.300 |
| 7306B | 30 | 72 | 19 | 1.10 | 0.60 | 31000 | 19200 | 7500 | 10000 | 0.370 |
| 7307B | 35 | 80 | 21 | 1.50 | 0.60 | 38200 | 24500 | 7000 | 9500 | 0.510 |
| 7308B | 40 | 90 | 23 | 1.50 | 0.60 | 46200 | 30500 | 6300 | 8500 | 0.670 |
| 7309B | 45 | 100 | 25 | 1.50 | 0.60 | 59500 | 39800 | 6000 | 8500 | 0.900 |
| 7310B | 50 | 110 | 27 | 2.00 | 0.60 | 68200 | 48000 | 5000 | 6700 | 1.150 |
| 7311B | 55 | 120 | 29 | 2.0 | 1.0 | 78800 | 56500 | 4500 | 6000 | 1.450 |
| 7312B | 60 | 130 | 31 | 2.1 | 1.1 | 90000 | 66300 | 4300 | 5600 | 1.850 |
| 7313B | 65 | 140 | 33 | 2.1 | 1.1 | 102000 | 77800 | 4000 | 5300 | 2.250 |
| 7314B | 70 | 150 | 35 | 2.1 | 1.1 | 115000 | 87200 | 3600 | 4800 | 2.750 |
| 7315B | 75 | 160 | 37 | 2.1 | 1.1 | 125000 | 98500 | 3400 | 4500 | 3.300 |
| 7316B | 80 | 170 | 39 | 2.1 | 1.1 | 135000 | 110000 | 3600 | 4200 | 3.90 |
| 7317B | 85 | 180 | 41 | 3.0 | 1.1 | 148000 | 122000 | 3000 | 4000 | 4.60 |
| 7318B | 90 | 190 | 43 | 3.0 | 1.1 | 158000 | 138000 | 2800 | 3800 | 5.40 |
| 7319B | 95 | 200 | 45 | 3.0 | 1.1 | 172000 | 155000 | 2800 | 3600 | 6.25 |
| 7320B | 100 | 215 | 47 | 3.0 | 1.1 | 188000 | 180000 | 2400 | 3400 | 7.75 |
| 7321B | 105 | 225 | 49 | 3.0 | 1.1 | 202000 | 195000 | 2200 | 3200 | 8.80 |
| 7322B | 110 | 240 | 50 | 3.0 | 1.1 | 225000 | 225000 | 2000 | 3000 | 10.50 |
| 7328B | 140 | 300 | 62 | 4.0 | 1.5 | 288000 | 315000 | 1700 | 2400 | 22.44 |
What's the Performance Features of 7301B Bearing?
- High-Speed Operation: With minimal friction, this bearing is designed for stable
performance at high speeds.
- Precision and Durability: It offers high precision and strength, making it suitable for
applications requiring accurate shaft rotation.
- Angular Contact Design: This design efficiently handles both axial and radial loads,
enhancing load capacity and extending the bearing's life.
- Single Direction Load Support: Capable of managing axial loads in one direction along with
radial loads, ideal for applications where forces act mainly in one
direction.
What's the Applications of the 7301B Bearing?
1. Precision Machinery and Industrial Equipment
CNC Machine Tools: Used for spindle support in CNC lathes, grinders, etc., requiring
high speed and axial load capacity.
Packaging Equipment: Applied in plastic mixing machines, extruders, etc., needing
frequent starts/stops and precise positioning.
Textile Machinery: Such as textile electrical instruments and spot welding machines,
suitable for high-speed operation and low friction requirements.
2. Automotive and Transportation Sector
Steering Systems: Utilized in automotive steering gear, constant velocity joints,
etc., supporting precise steering operations.
Hub Units: Some automotive hub bearing units may adopt similar designs, but
specific model confirmation is needed.
3. Energy and Heavy Industry Equipment
Mining Machinery: Like crushers, ore dressing equipment, etc., requiring resistance
to high impact loads and dusty environments.
Construction Machinery: Including lifting equipment, transmission components in
construction machinery.
4. Specialized Industry Applications
Medical Devices: Used in sterilization equipment, surgical instruments, etc.,
requiring high cleanliness and low noise.
Air Purification Systems: Providing stable support in ventilation cooling towers, air
purification equipment.
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness,High Running Accuracy,High Load Carrying
Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support,Professional Service |
| Size | Standard,For custom sizes ,please contact us |
| Factory Manufacturer | Yes |
