High Precision 6244M/6248M ZZ Sealed Ball Bearings
Basic Info.
| Inner Diameter | 8 mm |
| Outer Diameter | 22 mm |
| Thickness | 7 mm |
| Model NO. | 608 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Introduction
This is a standard deep groove ball bearing (608), non-aligning, single-row, radial type. Made of high-quality bearing steel, it features open or sealed variants (Z/ZZ/RZ/2RZ/RS/2RS), rich stock, and industrial packaging. Suitable for general machinery applications.
Basic Info.
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Specifications
| Bore Diameter | 12 mm |
| Outer Diameter | 32 mm |
| Width | 10 mm |
| Seals Type | ZZ 2RS Open |
| Material | Bearing Steel |
| Origin | Japan |
Description
KOYO 6201 deep groove ball bearing features high precision (P0-P4), low vibration (Z1V1-Z3V3), and is available with grease or oil lubrication. Ideal for OEM/ODM applications requiring reliability and performance in a compact 12x32x10 mm design.
Specifications
| Bore Diameter | 15 mm |
| Outer Diameter | 35 mm |
| Width | 11 mm |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
The NTN 6202 bearing is a single-row radial ball bearing made of high-quality bearing steel. It features non-aligning design and unseparated structure, suitable for various industrial applications with OEM/ODM service available.
Specifications
| Bore Diameter | 55 mm |
| Seals Type | ZZ 2RS Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Bearing Type | Radial, Non-Aligning |
Description
High-quality 6200 deep groove ball bearing made from bearing steel. Offers reliable performance with options for ZZ, 2RS, or open seals and grease or oil lubrication. Ideal for industrial applications requiring precision P0 to P4 ratings and low vibration (Z1V1 to Z3V3). Durable, unseparated design with single row and radial load capacity.
Specifications
| Bore Diameter | 15 mm |
| Outer Diameter | 35 mm |
| Width | 11 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Material | Bearing Steel |
Description
KOYO 6202 deep groove ball bearing made of high-quality bearing steel, suitable for radial loads with low noise and high precision options. Ideal for industrial and OEM applications.
Specifications
| Bore Diameter | 28 mm |
| Outer Diameter | 72 mm |
| Width | 31 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Origin | China |
Description
Premium quality deep groove ball bearing from BDL, precision-engineered with high accuracy ratings (P0-P2) and low vibration levels (Z1V1-Z3V3). Suitable for OEM/ODM applications, this bearing features reliable performance and durable design. Made in China with a production capacity of 1,000,000 units.
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 100 mm |
| Width | 21 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Material | Bearing Steel |
Description
High-quality deep groove ball bearing with model number 6211, made of durable bearing steel. Suitable for various industrial applications requiring reliable radial load performance and precision operation.
Specifications
| Bore Diameter | 60 mm |
| Outer Diameter | 95 mm |
| Thickness | 18 mm |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
High-quality radial bearing made of bearing steel, non-aligning and unseparated design with model no. 6012. Suitable for various industrial applications requiring reliable performance under radial load.
Specifications
| Inner Diameter | 60 mm |
| Model NO. | 6212 |
| Seals Type | Zz 2RS Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Material | Bearing Steel |
Description
The 6212 bearing features a 60 mm inner diameter, made of high-quality bearing steel, suitable for radial loads. It offers multiple sealing and lubrication options, ideal for industrial applications requiring reliability and precision performance.
Specifications
| Bore Diameter | 50 mm |
| Outer Diameter | 80 mm |
| Width | 16 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
High-quality deep groove ball bearing made from bearing steel, ideal for radial load applications. Offers reliable performance with multiple sealing and lubrication options. Suitable for OEM and ODM services.
Specifications
| Bore Diameter | 140 mm |
| Outer Diameter | 300 mm |
| Width | 62 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Material | Bearing Steel |
Description
NACHI 6328 radial bearing features high precision (P0-P4), durable steel construction, and is available with ZZ/2RS seals. Ideal for industrial applications requiring reliability and performance under radial loads.
Specifications
| Model No. | 6203 |
| Dimensions (mm) | 17*40*12 |
| Seals Type | ZZ / 2RS / Open |
| Precision Rating | P0, P6, P5, P4 |
| Clearance | C0 / C2 / C3 |
| Material | Bearing Steel |
Description
High-speed, low-noise deep groove ball bearing with long service life. Suitable for various industrial applications. Available in multiple seal types and precision grades. Made from high-quality bearing steel, ensuring reliability and durability under radial loads.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 62 mm |
| Width | 17 mm |
| Model No. | 6305 |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
Description
KOYO 6305 deep groove ball bearing features high speed, low noise, and long service life. Made of premium bearing steel, it is ideal for various industrial applications requiring reliable radial load performance.

















