71902 ACD/P4ATBTB 15*28*21 mm Super Precision High Capacity Single
Row Angular Contact Ball Bearing High Speed
Matched set of three super-precision, high-capacity, D design,
single row angular contact ball bearings
The 71902 ACD/P4ATBTB bearing,bore diameter is 15 mm, outside diameter is 28 mm,width is
21 mm,featuring precise dimensions, high static load capacity, P4A
precision grade, delivers superior performance and reliability for
applications requiring high rotational accuracy and stability.
| Part Number | 71902 ACD/P4ATBTB |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 15 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 28 mm |
| Outer Bore Diameter Tolerance | -0.004mm to 0 |
| Width (B) | 21 mm (3*7 mm) |
| Width Tolerance | -0.2mm to 0 |
| Specifications | Contact Angle | 25° (15°,40° Available) |
| Material | Chrome Steel |
| Cage Material | Phenolic |
| Number of Rows | 3 (3* Single Row) |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Number of bearings in matched set | 3 |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.045 kg |
| Matched Arrangement | TBT<>>back-to-back (<>)and tandem (>>) 3
bearings |
| Universal Matching Bearing | No |
| Preload | L/Light/Class B |
| Load and Speed | Dynamic Radial Load | 8190 N |
| Static Radial Load | 5400 N |
| Reference Speed For Grease (r/min) | 53,000 rpm |
| Limiting Speed For Oil(r/min) | 80,000 rpm |
What's the Performance Features of 71902 ACD/P4ATBTB Bearing?
The 71902 ACD/P4ATBTB angular contact ball bearing is engineered
for high-precision and high-performance applications, featuring
very tight tolerances suitable for precise machinery, the ability
to handle both radial and axial loads simultaneously, high-speed
operation with stability, low torque and friction for energy
efficiency, enhanced rigidity for accuracy under heavy loads,
durability with extended service life, effective performance across
a wide temperature range.
What's the Applications of the 71902 ACD/P4ATBTB Bearing?
The 71902 ACD/P4ATBTB bearing is a high-performance precision angular contact ball
bearing known for its high load capacity, excellent wear
resistance, and superior accuracy. It is widely used in critical
applications across various industries, including machine tool
spindles and gearboxes, metallurgical rolling mills, wind turbine
gearboxes and generator bearings in the power sector, blast
furnaces and converters in the steel industry, cranes and
excavators in construction machinery, road rollers and pavers in
road construction equipment, and railway vehicle gearboxes and
drive shafts. Its ability to ensure stable, reliable operation
under harsh conditions makes it an essential component for
enhancing performance and longevity in these demanding sectors.
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness,High Running Accuracy,High Load Carrying
Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support,Professional Service |
| Size | Standard,For custom sizes ,please contact us |
| Factory Manufacturer | Yes |
