| Bearing No. | Bore Dia(d) | Outer Dia(D) | B | Dia of Flange |
| SR144TLN | 3.175 | 6.35 | 2.38 | - | SR144TLZ | 3.175 | 6.35 | 2.38 | - |
| SR144TLW | 3.175 | 6.35 | 2.78 | - | SR144TLZW | 3.175 | 6.35 | 2.78 | - |
| SR144TLKZ | 3.175 | 6.35 | 2.38 | - | SR144TLKZW | 3.175 | 6.35 | 2.78 | - |
| SR144K1TLKW | 3.175 | 6.35 | 2.78 | - | SR144K2TLKW | 3.175 | 6.35 | 2.78 | - |
| SR144TLKZ1 | 3.175 | 6.35 | 2.38 | - | SR144TLKZ1W | 3.175 | 6.35 | 2.78 | - |
| SR144K1TL | 3.175 | 6.35 | 2.38 | - | SR144K2TL | 3.175 | 6.35 | 2.38 | - |
| SR144K1TLW | 3.175 | 6.35 | 2.78 | - | SR144K1TLZ | 3.175 | 6.35 | 2.38 | - |
| SR144K2TLZ | 3.175 | 6.35 | 2.38 | - | SR144K1TLZW | 3.175 | 6.35 | 2.78 | - |
| SR144K2TLZW | 3.175 | 6.35 | 2.78 | - | SFR144K1TLZ | 3.175 | 6.35 | 2.38 | 7.5 |
| SFR144K2TLZ | 3.175 | 6.35 | 2.38 | 7.5 | SFR144TLZ | 3.175 | 6.35 | 2.38 | 7.5 |
| SFR144TLZW | 3.175 | 6.35 | 2.78 | 7.5 | SFR144K1TLZW | 3.175 | 6.35 | 2.78 | 7.5 |
| SFR144K2TLZW | 3.175 | 6.35 | 2.78 | 7.5 | SR144K1TLKZW | 3.175 | 6.35 | 2.78 | - |
High speed bearings can meet the demanding requirements of high precision, high speed and high hardness. Kunjing bearing's ultra-high speed bearing is well-known in the industry. We have strong production capacity, advanced equipment and rich production and manufacturing experience. We adopt the same strict quality control in each process and stage of production.
The maximum speed of our precision high-speed ball bearing can reach 500000 rpm, which is widely used in various high-end equipment fields:
Dental turbine handset
Turbocharger
Aerospace equipment
Machine tool spindle
Kunjing's ultra-high speed bearings are designed to meet the following requirements:
Extremely high accuracy
High speed
Low noise
Minimum friction and heat control
Rigid control
High speed bearing characteristics:
High precision tolerance
Equilibrium design
Bearing channel Superfinishing
Phenolic retainer
Silicon nitride ceramic ball
