627 ZZ Deep Groove Ball Bearing for General-Purpose Electric Motors | 7×22×7 mm
The 627-ZZ is a Standard Deep Groove Ball Bearing engineered for robust and versatile performance in a wide range of mechanical applications. Featuring double metal shields (ZZ) on both sides, this metric bearing provides reliable protection against dust and contaminants while ensuring smooth, low-friction operation. With a 7mm bore, it is a common choice for electric motors, industrial fans, power tools, and various machinery requiring a durable and readily available bearing solution.
627 ZZ Deep Groove Ball Bearing 7x22x7 mm | Standard Series | Double Shielded
A versatile and commonly selected deep groove ball bearing built with universal deep groove geometry. Designed for reliable high-speed performance up to 33,000 r/min (Oil). Capable of handling moderate to high radial loads and light axial loads, the 627-ZZ is a trusted component in general industrial, automotive auxiliary systems, and household appliances.

Ideally suited for a broad spectrum of general industrial and consumer equipment:
Features dual non-contact pressed steel shields that guard against dust and larger airborne debris. This shielding solution aids in lubricant retention, extends maintenance intervals, and ensures low rotational resistance in diverse conditions.
As part of the standard series, the 627-ZZ offers an optimal blend of load support, speed capability, and durability. Its common dimensions and sturdy build make it well-suited for both OEM designs and replacement applications in motors, blowers, and light machinery.
Produced to established industrial tolerances with availability in higher precision classes (up to P5). The reliable deep groove geometry promotes smooth, stable rotation with reduced vibration, ideal for use in fans, small conveyors, and drive systems where noise control is valued.
| Bearing Type | Single Row Deep Groove Ball Bearing |
| ISO Dimension Series | Standard Series |
| Basic Designation | 627 |
| Suffix | ZZ (Both sides with steel shields) |
| Bore Diameter (d) | 7 mm |
| Outer Diameter (D) | 22 mm |
| Width (B) | 7 mm |
| Material (Races & Balls) | Chrome Steel (GCr15 / SAE 52100) |
| Precision Class | Standard / P5 Grade Available |
| Cage Material | Pressed Steel Ribbon |
| Dynamic Load Rating (Cʳ) | 4.65 kN |
| Static Load Rating (C₀ʳ) | 2.10 kN |
| Limiting Speed (Grease) | 26,000 r/min |
| Limiting Speed (Oil) | 33,000 r/min |
| Weight (approx.) | 13.5 g |
Direct replacement for:
The 627-ZZ is supplied standard with double pressed steel shields. In applications exposed to moisture or where lower startup torque is preferred, the rubber-sealed variant (627-2RS) can be selected.
"A reliable choice for general industrial drives, appliance motors, and automotive accessories where balanced performance and contaminant protection are required."
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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