7300AC Series (Single Row, 25°)
Material: Chrome Steel (Gcr15)
Contact Angle: 25° (AC-Type, Medium 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-duty pumps, industrial gearboxes, steel mill rollers
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The 7300AC Series angular contact ball bearings feature a 25° contact angle in the robust 73xx medium series, offering superior combined load performance with excellent speed characteristics. The heavier cross-section accommodates demanding industrial environments. Trusted in heavy-duty pumps, industrial gearboxes, and steel mill roller support applications.
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) |
|---|---|---|---|---|---|---|---|
| 7300AC | 10 | 35 | 11 | 8.5 | 4.3 | 30000 | 0.05 |
| 7301AC | 12 | 37 | 12 | 10.8 | 5.5 | 26000 | 0.06 |
| 7302AC | 15 | 42 | 13 | 13.5 | 7.0 | 22000 | 0.08 |
| 7303AC | 17 | 47 | 14 | 16.8 | 8.7 | 19000 | 0.11 |
| 7304AC | 20 | 52 | 15 | 21.5 | 11.2 | 17000 | 0.15 |
| 7305AC | 25 | 62 | 17 | 28.5 | 15.2 | 14000 | 0.25 |
| 7306AC | 30 | 72 | 19 | 36.0 | 19.5 | 12000 | 0.35 |
| 7307AC | 35 | 80 | 21 | 44.5 | 24.5 | 10500 | 0.5 |
| 7308AC | 40 | 90 | 23 | 53.5 | 29.5 | 9500 | 0.65 |
| 7309AC | 45 | 100 | 25 | 64.0 | 35.5 | 8500 | 0.85 |
| 7310AC | 50 | 110 | 27 | 75.0 | 42.5 | 8000 | 1.1 |
| 7311AC | 55 | 120 | 29 | 86 | 49 | 7500 | 1.4 |
| 7312AC | 60 | 130 | 31 | 100 | 59 | 7000 | 1.75 |
| 7313AC | 65 | 140 | 33 | 114 | 69 | 6300 | 2.1 |
| 7314AC | 70 | 150 | 35 | 130 | 80 | 6000 | 2.55 |
| 7315AC | 75 | 160 | 37 | 146 | 90 | 5600 | 3.1 |
| 7316AC | 80 | 170 | 39 | 163 | 102 | 5300 | 3.7 |
| 7317AC | 85 | 180 | 41 | 183 | 116 | 5000 | 4.3 |
| 7318AC | 90 | 190 | 43 | 205 | 133 | 4800 | 5.0 |
| 7319AC | 95 | 200 | 45 | 228 | 151 | 4500 | 5.85 |
| 7320AC | 100 | 215 | 47 | 250 | 166 | 4300 | 7.2 |
