J07008CPO Bore 70 Mm, 8mm SERIES (DOUBLE SEALED), REALI-SLIM MM Metric Series Bearings
The J07008CPO Thin-section deep-groove ball bearings are primarily used in applications where space is limited, weight reduction is required, and loads are moderate. Typical applications include industrial robots (such as joints and end-effectors), semiconductor manufacturing equipment, medical imaging equipment (CT scanner gantries), optical trackers, radar antennas, packaging machinery spindles, and lightweight aerospace transmission mechanisms. They are capable of supporting both radial and bidirectional axial loads.
The J07008CPO bearing is a Thin-section bearings with an inner diameter of 70 mm , an outer diameter of 86 mm, a width of 8 mm. It typically uses Precision Class 1 (ABEC 1F) standard grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic radial rated load is approximately 4080.6 N, its static radial rated load is approximately 7412.4 N. NBR seal on both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
J07008CPO bearings ( 70 mm x 86 mm x 8 mm) have the advantages of Extremely compact, lightweight design, composite load-bearing capacity, high rigidity, and flexible installation, and are therefore widely used in the Robots, semiconductor equipment, medical instruments, radar antennas, and aerospace precision mechanisms.
| Part Number | J07008CPO |
| Reference From | Kaydon J07008CPO |
| Manufacturer Part Code | J07008CPO |
| Series | 8mm SERIES (DOUBLE SEALED) |
| Separator | P = One-piece, snap-type, stamped brass or non-metallic composite cage |
| Thin section bearings type | REALI-SLIM MM Metric Series Bearings |
| Balls | Snapover separator 5/32" (inch) balls |
| Rolling bearing type | Radial contact ball bearing (type C) |
| Seal | NBR seal on both sides |
| Cage | Solid brass |
| Type | C = Radial contact |
| Unit of measurement | Metric |
| Precision | Precision Class 1 (ABEC 1F) standard |
| Ring | AISI 52100 steel |
| Contact type | Normal contact (two-point contact) |
| Races/Balls Material | J = AISI 52100 steel rings and balls, NBR seal on both sides |
| Weight [lb] | 0 |
| d φ Inside [inch] | 2.756 |
| D Φ Outside [inch] | 3.386 |
| B Width [inch] | 0.315 |
| H Radial cross section [inch] | 0.315 |
| L1 Land Dia. [inch] | 3.014 |
| L2 Land Dia. [inch] | 3.127 |
| F chamfer [inch] | 0.031 |
| C0r Static Radial [kg] | 751 |
| Cr Dynamic Radial [kg] | 408 |
| Starting torque max. no load [N-m] | 0.07 |
| nG Speed ratings (oil) [rpm] | 2356 |
The J07008CPO Thin-section deep groove ball bearings mainly consist of a thin-walled inner ring, a thin-walled outer ring, steel balls, and a cage. Their cross-sectional dimensions are constant and extremely thin, typically conforming to ISO 12240 standards, and are available in open or sealed configurations.
Thin-section deep groove ball bearings utilize a thin-walled constant cross-section design, resulting in lightweight construction and a small footprint, significantly reducing the overall weight and size of equipment. They can simultaneously withstand radial and bidirectional axial loads, exhibiting low friction and high-speed characteristics, and are easy to install, making them suitable for light to medium load conditions.
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