JG300CPO bearings ( 30 inch x 32 inch x 1 inch) 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 | JG300CPO |
| Series | JG Series (double Sealed) |
| Precision ABEC | Precision Class 1 per ABEC 1F |
| Thin section bearings type | Sealed REALI-SLIM Bearings |
| Ring | AISI 52100 steel |
| Reference From | Kaydon JG300CPO |
| Manufacturer Part Code | JG300CP0 |
| Seal type | NBR seal on both sides |
| Rolling bearing type | Radial contact ball bearing (type C) |
| Coating | No |
| Cage | Solid brass |
| Lubricant | Grease |
| Unit of measurement | inch |
| Separator | P = One-piece, snap-type, stamped brass or non-metallic composite cage |
| Contact type | 2-point contact |
| Races/Balls Material | J = AISI 52100 steel rings and balls, NBR seal on both sides |
| Weight [lb] | 23.3 |
| Balls | Snapover separator 1/2" balls |
| Temperature - T(min) [°C] | -30 |
| Temperature - T(max) [°C] | +110 |
| Shaft diameter [inch] | 30 |
| F chamfer [inch] | 0.080 |
| H Radial cross section [inch] | 1 |
| Radial Thickness x Width ["] | G = 1.000 x 1.000 |
| d φ Inside [inch] | 30 |
| D Φ Outside [inch] | 32 |
| B Width [inch] | 1 |
| L1 Land Dia. [inch] | 30.554 |
| L2 Land Dia. [inch] | 31.602 |
| Cr Dynamic Radial [lbf] | 15894 |
| C0r Static Radial [lbf] | 50858 |
| Starting torque max. no load | 252 (in-lb) |
| nG Speed ratings (oil) [rpm] | 55 |
The JG300CPO 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.















