140TAC20D+L
- Brand
- QIBR
- Alternative brand
- NSK
- Measurement system
- Metric
- Rolling element type
- Ball
- Precision level
- P4(ABEC-7)
- Vibration grade
- ZV3
- Outer diameter
- 210 mm
- Inner diameter
- 140 mm
- Total width
- 84 mm
- Width of outer ring
- 42 mm
- Chamfer dimension1
- 2 mm
- Chamfer dimension2
- 1 mm
- Weight
- 8.75 kg
- Contact angle
- 60°
- Load direction
- Axial and radial
- Temperature
- -30 ℃ to +110 ℃
- Lubrication speed
- 2600 rpm
- Oil speed
- 2900 rpm
- Seal type
- Open type
- Ring material
- 52100
- Rolling element material
- 52100
- Basic dynamic load rating
- 145 kN
- Basic static load rating
- 525 kN
Tell us your operating requirements and required quantity.
Description
Double direction angular contact thrust ball bearing is a special bearing mainly used for high-speed rotating equipment.
QIBR - 140TAC20D+L Angular Contact Ball Bearing Advantages and Applications
140TAC20D+L Angular Contact Ball Bearing, multi-directional load bearing, high speed, Inner diameter is 140 mm,Outer diameter is 210 mm,Total width is 84 mm,Weight is 8.75 kg, suitable for oil pumps, Roots blowers, air compressors and fuel injection pumps, etc., and is the most widely used bearing in working conditions with high speed requirements.
QIBR - 140TAC20D+L Angular Contact Ball Bearing Characteristics
140TAC20D+L Angular Contact Ball Bearing, high stability, not easy to damage, easy to install. 140TAC20D+L Angular Contact Ball Bearing, can bear radial load, axial load and certain tilt load at the same time, suitable for mechanical equipment with high stability requirements.
140TAC20D+L Angular Contact Ball Bearing Product Features and Advantages
High load capacity: It can withstand large radial and axial forces, and adopts high-strength steel and precision processing technology, with strong load-bearing capacity.
Good structural rigidity: The contact angle of the inner and outer rings is large, the structural rigidity is good, and stable operation is maintained under high load.
High positioning accuracy: The inner and outer rings have high matching accuracy, which can provide accurate positioning and centering functions.
High-speed operation performance: It has a low friction coefficient and high speed capability, suitable for high-speed operation applications.
Application: It has a wide range of applications in machine tool manufacturing, automotive industry, aerospace, motors and generators, robotics, medical equipment, automation equipment and other fields.
QIBR - 140TAC20D+L Angular Contact Ball Bearing Optimization
Optional Contact Angles: Depending on the operating conditions, different contact angles can be selected, such as 15°, 18°, 25°, or 40°.
High-Performance Materials: The bearing materials can be replaced according to different operating conditions, with options like SKF III, ZGcr15, high-purity bearing steel, ceramics, stainless steel, and other materials.
Grease Replacement: Select the lubrication based on the bearing's working requirements, such as LUBCON L252, Multemp SRL, or KLUBER ISOFLEX NBU 15.
Process parameter optimization: Optimize the processing parameters, such as grinding speed, feed speed, cutting depth, etc. to improve processing efficiency and quality.
More customization: QIBR can design and optimize the bearing according to customer requirements for drawings and bearing working conditions.
QIBR - 140TAC20D+L Angular contact ball bearing quality control
Dimension measurement: Use a variety of professional high-precision instruments to measure multiple dimensions of the bearing, with a maximum accuracy of 0.001mm.
Rotation accuracy: Use a micrometer to measure small flaws or deviations on the bearing surface, with a measurement accuracy of up to 0.001mm.
Hardness measurement: Use a hardness tester to measure the surface hardness of the bearing, with a measurement accuracy of up to ±0.5HRC.
Metallographic analysis: Use a professional metallographic microscope to analyze the internal metallographic structure of the metal.
Geometric tolerance: Use a profiler to measure the bearing geometry and relative position.
Noise monitoring: Vibration during operation is monitored by a vibration meter to obtain noise data.
Raw material control: Steel and parts are purchased from suppliers certified by ISO 14001 to ensure product stability and promote sustainable development.
Features & benefits
Double direction angular contact thrust ball bearing is a special bearing mainly used for high-speed rotating equipment.
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
Showing 4 of 7
Bearing condition questionnaire
Bearing Condition Questionnaire
Agency document
Agent Application Form
Product brochure
Slewing & Cross Roller Bearing Catalog
Product brochure
Bearing Unit Catalog
Showing 4 of 7
More from the Double Direction Angular Contact Thrust Ball Bearings Series
View all
140TAC29D+L
Inner diameter: 140 mm · Outer diameter: 190 mm · Total width: 60 mm

150TAC20D+L
Inner diameter: 150 mm · Outer diameter: 225 mm · Total width: 90 mm

150TAC29D+L
Inner diameter: 150 mm · Outer diameter: 210 mm · Total width: 72 mm

160TAC20D+L
Inner diameter: 160 mm · Outer diameter: 240 mm · Total width: 96 mm
