625 ZZ Miniature Deep Groove Ball Bearing for Measuring Devices | 5×16×5 mm
The 625-ZZ Bearing For Office Automation is a Premium Miniature Deep Groove Ball Bearing engineered for reliable performance in compact, precision devices. Featuring double metal shields (ZZ) on both sides, this metric bearing provides enhanced protection against dust and contaminants while maintaining low friction torque. With a 5mm bore, it is ideal for small motors, precision instruments, office automation, and applications requiring a compact yet protected bearing solution.
625 ZZ Deep Groove Ball Bearing 5x16x5 mm | ISO 62 Series – Extra Light | Double Shielded
This premium miniature bearing utilizes a universal deep groove geometry to deliver exceptional smoothness and stability in high-speed applications, supporting speeds up to 38,000 r/min (Oil). It is designed to handle both radial and light axial loads, providing reliable and precise performance in compact precision instruments, small motor spindles, and delicate mechanical assemblies where operational smoothness and space efficiency are paramount.

Supports compact and slim designs across multiple sectors:
Featuring double non-contact steel shields that provide effective protection from both sides against dust and larger particulate contaminants. This design helps retain lubrication for longer service life while ensuring very low rotational resistance.
The extra-light series design delivers a minimal cross-section, balancing good load capacity within compact dimensions. Its small footprint makes it well-suited for applications where space and weight are critical constraints.
Built to standard industrial tolerances and offered in higher precision grades (up to P5), the optimized internal geometry promotes quiet, smooth rotation with minimal vibration—ideal for sensitive instruments and precision mechanisms.
| Bearing Type | Single Row Deep Groove Ball Bearing |
| ISO Dimension Series | 62 Series – Extra Light |
| Basic Designation | 625 |
| Suffix | ZZ (Both sides with steel shields) |
| Bore Diameter (d) | 5 mm |
| Outer Diameter (D) | 16 mm |
| Width (B) | 5 mm |
| Material (Races & Balls) | Chrome Steel (GCr15 / SAE 52100) |
| Precision Class | Standard / P5 Grade Available |
| Cage Material | Pressed Steel Ribbon |
| Dynamic Load Rating (Cʳ) | 1.96 kN |
| Static Load Rating (C₀ʳ) | 0.89 kN |
| Limiting Speed (Grease) | 30,000 r/min |
| Limiting Speed (Oil) | 38,000 r/min |
| Weight (approx.) | 3.2 g |
Direct replacement for:
The 625-ZZ comes standard with double pressed steel shields for contamination protection on both sides. Where moisture or fine dust sealing is required, the double rubber contact seal variant (625-2RS) is available as an alternative.
"In applications exposed to higher contamination or humidity, the 625-2RS with double rubber seals is recommended for improved sealing and durability."
The 6230 M is a heavy-duty, single-row deep groove ball bearing engineered for the most demanding industrial applications requiring high load capacity and reliable performance under continuous operation. Featuring a machined one-piece brass cage (M suffix) , this bearing offers superior strength, optimal ball guidance, and low friction, making it ideal for large electric motors, pumps, and heavy machinery where durability and high-speed stability are critical. Its open design allows for flexible lubrication strategies to suit specific operating conditions.
Details
The 628-2RS is a compact, single-row deep groove ball bearing engineered for space-constrained applications requiring reliable performance under light to moderate loads. Featuring dual RS-type rubber seals, this bearing provides effective protection against dust, moisture, and other contaminants while retaining lubrication for extended service life. With an 8 mm bore and 8 mm width, it is the preferred choice for small electric motors, power tools, and automation equipment where sealing and low friction are critical.
Details
The 6201-Z is a versatile, single-row deep groove ball bearing engineered for light industrial and automotive applications requiring dependable performance under moderate loads. Featuring a single Z-type metal shield on one side, this bearing provides effective protection against dust and solid contaminants while maintaining low frictional torque and allowing for relubrication if needed. With a 12 mm bore and 10 mm width, it is the preferred choice for small electric motors, pumps, and automotive auxiliary systems where durability and contamination resistance are critical for extended service life.
Details
The 6202-Z is a versatile, single-row deep groove ball bearing engineered for light industrial and automotive applications requiring dependable performance under moderate loads. Featuring a single Z-type metal shield on one side, this bearing provides effective protection against dust and solid contaminants while maintaining low frictional torque and allowing for relubrication if needed. With a 15 mm bore and 11 mm width, it is the preferred choice for small electric motors, pumps, and automotive auxiliary systems where durability and contamination resistance are critical for extended service life.
Details
The 6202-ZZ is a Versatile Double-Shielded Deep Groove Ball Bearing engineered for high-performance in a wide array of industrial and light machinery applications. Utilizing the industry-standard deep groove raceway design, this bearing efficiently manages substantial radial loads as well as light axial loads in both directions. With a 15 mm bore, 35 mm outer diameter, and an 11 mm width, it offers a balanced profile suitable for compact assemblies. Fitted with double metal shields (ZZ) to prevent contamination ingress, it is an ideal choice for electric motors, pumps, and general equipment requiring durable and low-maintenance operation.
Details
The 6203-Z is a Single-Shielded Deep Groove Ball Bearing designed for reliable performance in light industrial equipment and drive systems. Featuring the standard deep groove raceway geometry, this bearing effectively accommodates moderate radial forces and light axial loads in both directions. With a 17 mm bore, 40 mm outer diameter, and 12 mm width, it provides a robust cross-section suitable for compact machinery housings. Equipped with a single metal shield (Z) on one side for contamination resistance while maintaining accessibility for re-lubrication, it is an excellent choice for applications requiring balanced protection and maintenance flexibility .
Details
The 6203-ZZ is a Double-Shielded Deep Groove Ball Bearing engineered for reliable performance in electric motors and general industrial applications. Featuring the standardized deep groove raceway geometry, this bearing efficiently accommodates moderate radial loads and bidirectional axial loads in space-constrained assemblies. With a 17 mm bore, 40 mm outer diameter, and 12 mm width, it offers a balanced cross-section suitable for various mechanical housings. Equipped with double metal shields (ZZ) for effective contamination resistance while maintaining low friction operation, it is an ideal choice for applications requiring extended service life with minimal maintenance intervention .
Details
The 6204-Z is a Single-Shielded Deep Groove Ball Bearing engineered for dependable performance in pumps, gearboxes, and light industrial machinery. Featuring the standardized deep groove raceway geometry, this bearing effectively accommodates moderate radial loads and bidirectional axial loads in space-constrained assemblies. With a 20 mm bore, 47 mm outer diameter, and 14 mm width, it offers a robust cross-section suitable for various mechanical housings . Equipped with a single metal shield (Z) on one side for contamination resistance while maintaining accessibility for re-lubrication, it is an ideal choice for applications requiring balanced protection and maintenance flexibility.
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