Flange Mount Ball Bearings
JPKC (JIS) Square Flange Center Mount Linear Ball Bearing

Considered by many to be the default choice for linear motion applications, the JPKC Square Flange Center Mount Linear Ball Bearing offers proven performance for a wide range of linear motion needs. This is the double-length, JIS Metric version with a square flange located at the center of the bearing. Commonly used in Japan and the rest of Asia, it is size interchangeable with other manufacturers and with Simplicity Linear Plain Bearings. Additional benefits include:
- ID Sizes: Available from 8 mm to 50 mm
- Static Load Capacities: Up to 15,900 N (3,500 lb)
- Dynamic Load Capacities: Up to 6,000 N (1,300 lb)
- Static Moment Capacities: Up to 397 Nm (290 ft-lb)
- Interchangeability: Size interchangeable with industry standards and with Simplicity series
- Design: Double length with center mount square flange
- Low Coefficient of Friction: Ensures smooth operation
- Material: Heat-treated alloy steel shell
- Noise Reduction: Resin retainer for reduced noise
- Temperature Range: -20°C to +80°C (-4°F to +176°F)
- Sealing: Double seals included standard at no additional cost
Name | Nominal ID (mm) | Nominal OD (mm) | Shaft Diameter (mm) | MAX Dynamic Load Rating (N) | Shop Link |
---|---|---|---|---|---|
JPKC08G | 8.00 | 15.00 | 8.00 | 431.00 | Shop Now |
JPKC12G | 12.00 | 21.00 | 12.00 | 813.00 | Shop Now |
JPKC16G | 16.00 | 28.00 | 16.00 | 1230.00 | Shop Now |
JPKC20G | 20.00 | 32.00 | 20.00 | 1400.00 | Shop Now |
JPKC25G | 25.00 | 40.00 | 25.00 | 1560.00 | Shop Now |
JPKC30G | 30.00 | 45.00 | 30.00 | 2490.00 | Shop Now |
JPKC40G | 40.00 | 60.00 | 40.00 | 3430.00 | Shop Now |
JPKC50G | 50.00 | 80.00 | 50.00 | 6080.00 | Shop Now |
LEE Linear Shafting and bearings available from PBC Linear.
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