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Brand Name : BUGAO
Model Number : 30201-30212
Certification : ISO 9001:2015
Place of Origin : Ningbo, China
MOQ : 1,000 pcs
Price : Negotiable
Payment Terms : L/C,D/A,D/P,T/T,Western Union
Supply Ability : 30,000,000 pcs per year
Delivery Time : Negotiable
Packaging Details : Single Packing, Industrial/Tube Packing, Custom Packing
Clearance Of Bearing : C2, C0, C3, C4
Tolerance Class : ABEC-1, ABEC-3, ABEC-5
Row Number : Single
Deliver Time : 3-15 Days
Row Of Bearing : Single Row
Precision Of Bearing : P0, P6
Temperature Range : -20°C to 120°C
Hs Code : 8482200000
Type : Tapered roller bearings
Samples : Available
Tapered roller bearings (TRBs) from the 302 series (metric design) are widely used in automotive drivetrain systems due to their ability to handle combined radial and axial loads. These bearings feature a conical geometry with optimized contact angles (12°-14°) for balanced load distribution, making them ideal for:
Transmissions (input/output shafts)
Differentials (pinion gear support)
Wheel hubs (paired configurations)
Steering systems
Bearing No. | Inner Diameter (d) | Outer Diameter (D) | Width (T) | Dynamic Load (Cr) | Static Load (Cor) | Limiting Speed (Grease) |
---|---|---|---|---|---|---|
30201 | 12 mm | 32 mm | 11 mm | 15.8 kN | 13.5 kN | 8,000 rpm |
30202 | 15 mm | 35 mm | 11 mm | 17.5 kN | 15.0 kN | 7,500 rpm |
30203 | 17 mm | 40 mm | 12 mm | 22.0 kN | 19.5 kN | 7,000 rpm |
30204 | 20 mm | 47 mm | 15 mm | 30.5 kN | 27.0 kN | 6,300 rpm |
30205 | 25 mm | 52 mm | 15 mm | 34.0 kN | 30.0 kN | 6,000 rpm |
30206 | 30 mm | 62 mm | 16 mm | 42.0 kN | 37.5 kN | 5,300 rpm |
30207 | 35 mm | 72 mm | 17 mm | 48.5 kN | 43.0 kN | 4,800 rpm |
30208 | 40 mm | 80 mm | 18 mm | 55.0 kN | 50.0 kN | 4,500 rpm |
30209 | 45 mm | 85 mm | 19 mm | 60.0 kN | 55.0 kN | 4,200 rpm |
30210 | 50 mm | 90 mm | 20 mm | 65.0 kN | 60.0 kN | 4,000 rpm |
30211 | 55 mm | 100 mm | 21 mm | 72.0 kN | 66.0 kN | 3,800 rpm |
30212 | 60 mm | 110 mm | 22 mm | 78.0 kN | 72.0 kN | 3,500 rpm |
Note: Load ratings based on ISO 281/76 standards. Limiting speeds are for grease lubrication (oil lubrication increases by ~20%).
Component | Bearing Pairing | Load Type | Recommended Model |
---|---|---|---|
Transmission Shaft | Back-to-back (DB) | Radial + moderate axial | 30205 + 30205 |
Differential Pinion | Face-to-face (DF) | High axial thrust | 30206-C3 |
Wheel Hub | Double-row (pre-adjusted) | Shock loads | 30210-2RS |
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Single Row Tapered Roller Bearings 30201-30212 For Automobiles Images |