51200 Series (Single Direction Medium)
Material: Chrome Steel (Gcr15)
Direction: Single Direction
Precision: P0, P6, P5
Structure: Flat Washer / Medium Series
Cage: Pressed Steel / Brass
Bore Range: 10mm – 120mm
Application: Moderate thrust loads, vertical pumps, industrial valve actuators, speed reducers
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The 51200 Series single-direction medium thrust ball bearings deliver increased axial load capacity with a wider cross-section compared to light series equivalents. The robust ball complement handles sustained thrust loads at moderate operating speeds. Trusted in moderate thrust applications including vertical pumps, industrial valve actuators, and speed reducer assemblies.
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) |
|---|---|---|---|---|---|---|---|
| 51200 | 10 | 26 | 11 | 12.1 | 16.6 | 6300 | 0.026 |
| 51201 | 12 | 28 | 11 | 12.5 | 18.2 | 6000 | 0.028 |
| 51202 | 15 | 32 | 12 | 13.7 | 21.2 | 5600 | 0.039 |
| 51203 | 17 | 35 | 12 | 14.3 | 23.2 | 5300 | 0.045 |
| 51204 | 20 | 40 | 14 | 17.4 | 29.2 | 4800 | 0.07 |
| 51205 | 25 | 47 | 15 | 22.8 | 40.5 | 4000 | 0.11 |
| 51206 | 30 | 52 | 16 | 24.1 | 45.5 | 3600 | 0.13 |
| 51207 | 35 | 62 | 18 | 31.5 | 61.5 | 3200 | 0.22 |
| 51208 | 40 | 68 | 19 | 34.5 | 71.5 | 2800 | 0.27 |
| 51209 | 45 | 73 | 20 | 36.5 | 78.5 | 2600 | 0.32 |
| 51210 | 50 | 78 | 22 | 42.5 | 93.5 | 2400 | 0.39 |
| 51211 | 55 | 90 | 25 | 56.5 | 128 | 2200 | 0.64 |
| 51212 | 60 | 95 | 26 | 59 | 136 | 2000 | 0.71 |
| 51213 | 65 | 100 | 27 | 62 | 145 | 1900 | 0.79 |
| 51214 | 70 | 105 | 27 | 62 | 150 | 1800 | 0.84 |
| 51215 | 75 | 110 | 27 | 63 | 155 | 1700 | 0.88 |
| 51216 | 80 | 115 | 28 | 65 | 162 | 1600 | 0.95 |
| 51217 | 85 | 125 | 31 | 78.5 | 196 | 1500 | 1.3 |
| 51218 | 90 | 135 | 35 | 98.5 | 250 | 1400 | 1.8 |
| 51220 | 100 | 150 | 38 | 112 | 295 | 1200 | 2.4 |
