1209 Self-Aligning Ball Bearing 45x85x19mm
Category: Self-Aligning Ball Bearings
Specifications
Inner Diameter (ID)
45
Outer Diameter (OD)
85
Width (W)
19
Overall Size (IDxODxW)
45x85x19
Dynamic Load Rating
22.9 kN
Static Load Rating
7.8 kN
Reference Speed
17 000 rpm
Limiting Speed
11 000 rpm
Cage Material
Steel
Seal Type
None On Both Sides
Clearance
CN
Precision
Grade 0
Operating Temperature
-40 °C to +120 °C
Maximum Misalignment
2.5 °
Mass
0.47 kg
Details
Self-aligning ball bearings are designed to accommodate misalignment between the shaft and the housing without causing undue stress on the bearing or reducing its operational efficiency. They consist of an inner and outer ring with double-row steel balls and a cage that separates and guides the balls. It can handle both radial and axial loads, making it suitable for a wide range of applications.
SPECIFICATIONS
| Inner Diameter | 45 mm | Number of Rows | Double Row | |
| Outer Diameter | 85 mm | Cage Material | Steel | |
| Width | 19 mm | Seal Type | None On Both Sides | |
| Dynamic Load Rating | 22.9 kN | Clearance | CN | |
| Static Load Rating | 7.8 kN | Precision | Grade 0 | |
| Fatigue Load Limit | 0.4 kN | Min Temperature | -40 °C | |
| Reference Speed | 17 000 rpm | Max Temperature | +120 °C | |
| Limiting Speed | 11 000 rpm | Size Standard | Metric System | |
| Maximum Misalignment | 2.5 ° | Mass | 0.47 kg | |
| Rolling Element | Ball | - | - |
FEATURES AND BENEFITS
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Suitable for high-speed applications due to optimized design and reduced friction.
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Helps maintain stability and performance even under dynamic and fluctuating operating conditions.
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Ability to accommodate misalignment between the shaft and housing, compensating for shaft deflection and misalignment errors.
Yes, miniature ball bearings are designed to handle high rotational speeds, making them ideal for devices and equipment that require rapid movement.
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