7300C Series (Single Row, 15°)
Material: Chrome Steel (Gcr15)
Contact Angle: 15° (C-Type, Light Duty)
Precision: P0, P6, P5, P4
Structure: Single Row / 73xx Medium Series
Cage: Steel / Brass / Phenolic Resin
Clearance: C2, C0, C3, CA
Bore Range: 10mm – 150mm
Application: Heavy electric motors, industrial fans, blowers
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The 7300C Series angular contact ball bearings in the 73xx medium series with a 15° contact angle deliver high-speed capability with enhanced radial capacity. The wider cross-section provides increased dynamic load ratings compared to lighter series equivalents. Perfect for heavy electric motors, industrial blowers, and fans operating at elevated speeds under sustained loads.
Technical Specifications
| Bearing No. | Bore (d) mm | Outer Dia. (D) mm | Width (B) mm | Dyn. Load Cr (kN) | Stat. Load Cor (kN) | Ref. Speed (rpm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 7300C | 10 | 35 | 11 | 8.8 | 4.55 | 30000 | 0.05 |
| 7301C | 12 | 37 | 12 | 11.2 | 5.85 | 26000 | 0.06 |
| 7302C | 15 | 42 | 13 | 14.0 | 7.35 | 22000 | 0.08 |
| 7303C | 17 | 47 | 14 | 17.5 | 9.2 | 19000 | 0.11 |
| 7304C | 20 | 52 | 15 | 22.4 | 11.8 | 17000 | 0.15 |
| 7305C | 25 | 62 | 17 | 29.5 | 16.0 | 14000 | 0.25 |
| 7306C | 30 | 72 | 19 | 37.5 | 20.5 | 12000 | 0.35 |
| 7307C | 35 | 80 | 21 | 46.0 | 25.5 | 10500 | 0.5 |
| 7308C | 40 | 90 | 23 | 55.5 | 31.0 | 9500 | 0.65 |
| 7309C | 45 | 100 | 25 | 66.5 | 37.5 | 8500 | 0.85 |
| 7310C | 50 | 110 | 27 | 78.0 | 44.5 | 8000 | 1.1 |
| 7311C | 55 | 120 | 29 | 90 | 52 | 7500 | 1.4 |
| 7312C | 60 | 130 | 31 | 104 | 62 | 7000 | 1.75 |
| 7313C | 65 | 140 | 33 | 118 | 72 | 6300 | 2.1 |
| 7314C | 70 | 150 | 35 | 135 | 85 | 6000 | 2.55 |
| 7315C | 75 | 160 | 37 | 152 | 95 | 5600 | 3.1 |
| 7316C | 80 | 170 | 39 | 170 | 108 | 5300 | 3.7 |
| 7317C | 85 | 180 | 41 | 190 | 122 | 5000 | 4.3 |
| 7318C | 90 | 190 | 43 | 212 | 140 | 4800 | 5.0 |
| 7319C | 95 | 200 | 45 | 235 | 158 | 4500 | 5.85 |
| 7320C | 100 | 215 | 47 | 260 | 175 | 4300 | 7.2 |
