307 2Z
- Brand
- QIBR
- Alternative brand
- SKF
- Rolling element type
- Ball
- Measurement system
- Metric
- Precision level
- P0(ABEC-1)
- Outer diameter
- 80 mm
- Inner diameter
- 35 mm
- Total width
- 21 mm
- Chamfer dimension
- 1.5 mm
- Outer diameter of inner ring
- 49.5 mm
- Inner diameter of outer ring
- 69.2 mm
- Width snap ring groove
- 1.9 mm
- Width snap ring
- 1.7 mm
- Distance groove
- 3.28 mm
- Groove diameter
- 76.81 mm
- Snap ring diameter
- 86.6 mm
- Weight
- 0.48 kg
- Load direction
- Radial
- Vibration grade
- ZV2
- Temperature
- -20℃ to +120℃
- Ring material
- 52100
- Rolling element material
- 52100
- Basic dynamic load rating
- 34.7 kN
- Basic static load rating
- 26.5 kN
- Fatigue load limit
- 1.12 kN
- Reference speed
- 16000 rpm
- Limiting speed
- 7600 rpm
- Seal type
- Closed type
Tell us your operating requirements and required quantity.
Description
A deep groove ball bearing with filling slots is a specialized type of deep groove ball bearing that includes additional slots or grooves in the inner and outer rings. These slots are designed to accommodate additional balls or rolling elements, thereby increasing the bearing's load-carrying capacity and improving its performance under heavy radial loads.
Deep groove ball bearings with filling slots are commonly used in industrial applications where heavy radial loads, shock loads, or misalignment may occur. They are often found in industries such as mining, construction, agriculture, and material handling.
Overall, this type of bearing offers improved load-carrying capacity and performance compared to standard bearings, making them well-suited for demanding applications where reliability and durability are critical.
QIBR - 307 2Z Deep Groove Ball Bearing Advantages and Applications
307 2Z Deep Groove Ball Bearing, strong load-bearing capacity, low friction loss, Inner diameter is 35 mm，Outer diameter is 80 mm，Total width is 21 mm，Weight is 0.48 kg, suitable for washing machines, paper machines, fans and rolling mills, etc., and is the most widely used bearing in working conditions with high load-bearing capacity requirements.
QIBR - 307 2Z Deep Groove Ball Bearing Characteristics
307 2Z Deep Groove Ball Bearing, economical and durable. 307 2Z Deep Groove Ball Bearing, can bear radial load and certain axial load at the same time, suitable for mechanical equipment with high life requirements.
307 2Z Deep Groove Ball Bearing Product Features and Advantages
High Load Capacity: Capable of simultaneously bearing large radial and axial loads, suitable for various load conditions.
Simple Structure: Low manufacturing cost, high cost-effectiveness, simple design, easy to manufacture and install.
Self-Aligning Ability: Possesses a certain degree of self-aligning capability, automatically adjusting the relative position of the inner and outer rings, reducing precision requirements during installation.
Smooth Operation: Low friction coefficient, resulting in low noise during operation, suitable for high-speed applications.
Application: Widely used in electric motors, automotive industry, household appliances, industrial machinery, agricultural machinery, wind turbines, railway vehicles, construction machinery, and more.
QIBR - 307 2Z Deep Groove Ball Bearing Optimization
Optional Types: Can be supplied with CN or C3 group clearance, or customized clearance based on customer requirements.
Grease Replacement: Lubricants can be chosen based on bearing operational needs, such as SKF LGED 2, Mobil SHC Polyrex 102 EM, etc.
Cage Types: Cage type can be selected according to bearing operating conditions, such as two-piece riveted steel cage, one-piece stainless steel crown cage, one-piece polymer crown cage, machined brass cage, etc.
Further Customization: QIBR can design and optimize bearings according to customer drawings and operational requirements.
QIBR - 307 2Z Deep Groove Ball Bearing Quality Control
Dimension measurement: Multiple high-precision instruments are used to measure various dimensions of the bearing, with an accuracy of up to 0.001mm.
Rotation accuracy: A dial gauge measures minor surface flaws or deviations, with measurement accuracy reaching 0.001mm.
Hardness measurement: The surface hardness of the bearing is measured using a hardness tester, with an accuracy of ±0.5HRC.
Metallographic analysis: A professional metallographic microscope is used to analyze the internal metallographic structure of the metal.
Geometric tolerance: A profilometer is used to measure the geometric shape and relative position of the bearing.
Noise monitoring: A vibration meter monitors vibrations during operation, providing noise data with a noise vibration level not lower than Z3V3.
Raw material control: Steel and parts are sourced from ISO 14001-certified suppliers, ensuring product stability while promoting sustainable development.
Features & benefits
Deep groove ball bearings with filling slots are commonly used in industrial applications where heavy radial loads, shock loads, or misalignment may occur. They are often found in industries such as mining, construction, agriculture, and material handling. Overall, this type of bearing offers improved load-carrying capacity and performance compared to standard bearings, making them well-suited for demanding applications where reliability and durability are critical.
The outer ring is made of high-purity special high-quality bearing steel processed by high-speed forging + cold rolling process, and the raceway surface is carbonitrided.
Downloads
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Bearing condition questionnaire
Bearing Condition Questionnaire
Agency document
Agent Application Form
Product brochure
Slewing & Cross Roller Bearing Catalog
Product brochure
Bearing Unit Catalog
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