RPNA 25/42
- Бренд
- QIBR
- Alternative brand
- SKF
- Rolling element type
- Roller
- Measurement system
- Metric
- Precision level
- P0(RBEC-1)
- Inner envelope circle
- 25 mm
- Outer diameter
- 42 mm
- Total width
- 20 mm
- Inner diameter of outer ring
- 36.5 mm
- Chamfer dimension
- 0.8 mm
- Basic dynamic load rating
- 19 kN
- Basic static load rating
- 32.5 kN
- Fatigue load limit
- 4 kN
- Reference speed
- 16000 rpm
- Limiting speed
- 18000 rpm
- Weight
- 0.11 kg
- Temperature
- -20 °C to +110 °C
- Seal type
- Open Type
Укажите условия эксплуатации и необходимое количество.
Описание
The outer surface of the outer ring of the alignment needle roller bearing is a convex spherical design. Two polymer material seat rings with concave spherical surfaces are embedded in stamped steel mounting sleeves and mounted together on the outer ring of the bearing. QIBR provides alignment needle roller bearings with or without inner rings.
QIBR - RPNA 25/42 Needle Roller Bearing Advantages and Applications
QIBR - RPNA 25/42 Needle Roller Bearing Characteristics
RPNA 25/42 Needle Roller Bearing, easy to install and maintain, strong adaptability. RPNA 25/42 Needle Roller Bearing, can withstand radial loads and small unidirectional axial loads, suitable for mechanical equipment with high reliability requirements.
RPNA 25/42 Needle Roller Bearing Features and Advantages
High load capacity: Needle bearings can withstand significant axial and radial loads, making them suitable for various heavy machinery and equipment.
High Precision: The manufacturing precision of needle bearings is high, with low rotational inertia, enabling high-precision operation.
Low Friction Coefficient: With a low friction coefficient, needle bearings effectively reduce frictional resistance during operation, minimizing energy loss.
Compact Structure and Lightweight: The overall structure is compact and lightweight, making it suitable for support structures with limited radial installation space.
Application: Needle roller bearings have a wide range of applications in industries such as automotive, aerospace, industrial machinery, construction and agricultural equipment, home appliances, shipbuilding, and medical devices.
QIBR - RPNA 25/42 Needle Roller Bearing Optimization
Structural Optimization: Adjusting the arrangement of needles or the contact angle based on customer requirements and bearing operating conditions.
Cage Material: Material selection for the cage can be customized based on customer needs, including low carbon steel, stainless steel, PA66, etc.
High-Performance Materials: Choosing suitable materials based on customer requirements, such as DC03M, C15Mn, 16MnCr5, etc.
Heat Treatment: Carburizing or carbonitriding and quenching treatment of the outer ring and cage according to the bearing's operating conditions.
More customization: QIBR can design and optimize bearings based on customer operating conditions and requirements.
QIBR - RPNA 25/42 Needle Roller Bearing Quality Control
Dimension measurement: Using various high-precision instruments to measure multiple dimensions of the bearings, achieving a maximum precision of 0.001mm.
Rotation accuracy: Measuring small defects or deviations on the bearing surface with a micrometer, with a measurement precision of up to 0.001mm.
Hardness measurement: Surface hardness is measured using a hardness tester, with an accuracy of ±0.5HRC.
Metallographic analysis: Internal metallographic structure is analyzed using a professional metallographic microscope.
Geometric tolerance: A contour gauge measures the bearing's geometric shape and relative position.
Noise monitoring: A vibration meter monitors vibration during operation to obtain noise data.
Raw material control: Steel and parts are sourced from ISO 14001-certified suppliers, ensuring product stability while promoting sustainable development.
Особенности и преимущества
The outer surface of the outer ring of the alignment needle roller bearing is a convex spherical design. Two polymer material seat rings with concave spherical surfaces are embedded in stamped steel mounting sleeves and mounted together on the outer ring of the bearing. QIBR provides alignment needle roller bearings with or without inner rings.
The outer ring is made of high-purity bearing steel, and the raceway surface is carbonitrided.
Загрузки
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Анкета условий работы подшипника
Bearing Condition Questionnaire
Документы для дилеров
Agent Application Form
Каталог продукции
Slewing & Cross Roller Bearing Catalog
Каталог продукции
Bearing Unit Catalog
Показано 4 из 7

