Bicycle bearing series
Bicycle bearings are essential components that enable smooth rotation in various parts of the bike, such as the wheels, bottom bracket, headset, and pedals. They reduce friction and wear between moving parts, ensuring efficient transfer of energy and a comfortable ride. Bearings come in different types, including ball bearings, roller bearings, and cartridge bearings, each suited for specific applications. Proper maintenance and lubrication are crucial to extend their lifespan and ensure optimal performance. Selecting the right bearing type and quality can significantly impact the bike's efficiency and longevity.
QIBR
Model Selection
| NO. | Product | Product Number | Outer Diameter (D) | Inner Diameter (d) | Weight (kg) | Overall width (B) | Cr (KN) | Cor (KN) |
|---|---|---|---|---|---|---|---|---|
| 1 |
|
QACB4052H8 | 52mm | 40mm | 0.034 | 8mm | 5.23 | 4.57 |
| 2 |
|
QACB4052H7 | 52mm | 40mm | 0.03 | 7mm | 4.53 | 4.05 |
| 3 |
|
QACB30.1541H6.5 | 41mm | 30.15mm | 0.02 | 6.5mm | 3.71 | 2.95 |
| 4 |
|
QACB30.1541H6.5 | 41mm | 30.15mm | 0.02 | 6.5mm | 3.71 | 2.95 |
| 5 |
|
QACB30.1541.8H6 | 41.8mm | 30.15mm | 0.02 | 6mm | 3.69 | 2.95 |
| 6 |
|
QACB30.1541.8H6.5 | 41.8mm | 30.15mm | 0.02 | 6.5mm | 3.71 | 2.95 |
| 7 |
|
QACB30.1541.8H7 | 41.8mm | 30.15mm | 0.023 | 7mm | 3.75 | 2.98 |
| 8 |
|
QACB30.541.8H8 | 41.8mm | 30.5mm | 0.026 | 8mm | 3.71 | 2.95 |
| 9 |
|
QACB34.146.9H7 | 46.9mm | 34.1mm | 0.028 | 7mm | 4.91 | 4.02 |
| 10 |
|
QACB3547H8 | 47mm | 35mm | 0.03 | 8mm | 4.28 | 3.6 |
| 11 |
|
QACB4052H8 | 52mm | 40mm | 0.034 | 8mm | 4.16 | 3.57 |
| 12 |
|
QACB4051H6.5 | 51mm | 40mm | 0.026 | 6.5mm | 4.14 | 3.5 |
| 14 |
|
QACB5061.9H8 | 61.9mm | 50mm | 0.042 | 8mm | 3.92 | 3.69 |
| 15 |
|
QACB27.1538H6.3 | 38mm | 27.15mm | 0.017 | 6.3mm | 3.23 | 2.53 |
| 16 |
|
QACB30.1539H6.5 | 39mm | 30.15mm | 0.016 | 6.5mm | 2.9 | 2.42 |
| 17 |
|
QACB27.1538H6.5 | 38mm | 27.15mm | 0.018 | 6.5mm | 3.23 | 2.53 |
| 18 |
|
QACB27.1538H6.5 | 51.8mm | 40mm | 0.034 | 8mm | 4.14 | 3.75 |
| 19 |
|
QACB4051.8H8 | 51.8mm | 40mm | 0.034 | 8mm | 4.14 | 3.75 |
| 20 |
|
QACB4051.9H8 | 51.9mm | 40mm | 0.035 | 8mm | 4.14 | 3.75 |
| 21 |
|
QACB4051.9H7 | 51.9mm | 40mm | 0.024 | 7mm | 4.14 | 3.75 |
| 22 |
|
QACB47.856.8H6.5 | 56.8mm | 47.8mm | 0.024 | 6.5mm | 3.14 | 3.13 |
| 23 |
|
QACB47.856.8H6.5 | 56.8mm | 47.8mm | 0.024 | 6.5mm | 3.14 | 3.13 |
| 24 |
|
QACB32.443.8H7 | 43.8mm | 32.4mm | 0.024 | 7mm | 4.77 | 4.39 |
| 25 |
|
QACB3749H7 | 49mm | 37mm | 0.028 | 7mm | 4.63 | 4.35 |
| 26 |
|
QACB4252H7 | 52mm | 42mm | 0.026 | 7mm | 3.1 | 2.96 |
| 27 |
|
QACB30.541.8H7.7 | 41.8mm | 30.5mm | 0.025 | 7.7mm | 3.81 | 3.09 |
| 28 |
|
QACB30.1541H7.7 | 41mm | 30.15mm | 0.023 | 7.7mm | 2.96 | 2.52 |
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