Koyo 6211NR/ZZ Bearing 55x100x21mm – High-Performance Deep Groove Ball Bearing
Basic Info.
| Model NO. | 6211NR/ZZ |
| Trademark | KOYO |
| Origin | China |
| HS Code | 8482102000 |
| Transport Package | Standard Industrial Packaging |
Dimensions
<55 mm, 100 mm, 21 mm>
Basic Info.
- Spherical Roller Bearing
- Taper Roller Bearing
- Alloy Guide Rail
- Thrust Needle Roller Bearing
- Thrust Self-aligning Roller Bearing
- Cylindrical Roller Bearing
- Bearing Block
- Pillow Block Bearing
- Self-Aligning Ball Bearing
- Deep Groove Ball Bearing
- Angular Contact Ball Bearing
- Linear Bearing
- Auto Bearing
- Needle Bearing
- Thrust Ball Bearing
Related Products
Specifications
| Model No. | 6208 |
| Dimensions | 40*80*18mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Feature | Long Life, High Speed, Low Noise |
Description
The 6208 deep groove ball bearing offers high precision and low vibration performance. Made from durable bearing steel, it ensures long life, high speed operation, and low noise. Suitable for various industrial applications with radial load requirements.
Specifications
| Bore Diameter | 8 mm |
| Outer Diameter | 22 mm |
| Width | 7 mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Origin | China |
Description
Precision 608 deep groove ball bearing with radial load capacity, made from high-quality bearing steel. Compact 8x22x7mm design ideal for various industrial and mechanical applications. Sealed and ready for reliable performance.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 62 mm |
| Width | 17 mm |
| Material | Bearing Steel |
| Load Type | Radial |
| Sealed Package | Yes |
Description
Precision radial ball bearings with high durability. Ideal for industrial applications requiring reliable performance under radial loads. Made from high-quality bearing steel with a sealed design for long service life.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 47 mm |
| Width | 14 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, model 6204, ideal for industrial applications. Features non-aligning design and unseparated structure with reliable vibration performance (Z1V1-Z3V3). Suitable for OEM/ODM services.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 47 mm |
| Width | 14 mm |
| Model NO. | 6204R |
| Material | Bearing Steel |
| Seals Type | ZZ 2RS Open |
Description
Precision radial bearing with high load capacity, suitable for various industrial applications. Made of high-quality bearing steel with options for grease or oil lubrication.
Specifications
| Bore Diameter | 10 mm |
| Outer Diameter | 26 mm |
| Width | 8 mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Sealed Package | Packed |
Description
Precision radial bearing with 10x26x8mm dimensions, made of high-quality bearing steel. Ideal for industrial applications requiring reliable performance. Manufactured by NSK with global production standards.
Specifications
| Model No. | 6311m/C3vl0241 |
| Dimensions (mm) | 120 x 170 x 28 |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | NTN |
Overview
Premium radial bearing with precision engineering. Single-row design made from high-quality bearing steel ensures reliable performance. Ideal for industrial applications requiring durability and smooth operation. Compact size fits standard mounting requirements.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Model No. | 606 604 608 |
| Material | Bearing Steel |
| Origin | Germany/Sweden/Japan |
Description
Premium radial bearing with single row design, made of high-quality bearing steel. Ideal for industrial applications requiring reliable performance and durability. Compact size fits standard housing units.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 42 mm |
| Width | 12 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, model 6004, with non-aligning design and unseparated structure. Suitable for various industrial applications requiring reliable performance under radial loads.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Thickness | 28mm |
| Model No. | 61806-2Z 61806-2RS |
| Material | Bearing Steel |
| Origin | Germany, Sweden, Japan |
Description
Premium radial bearing with single row design, ideal for high precision applications. Durable bearing steel construction ensures long service life and reliable performance under radial loads.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 52 mm |
| Width | 15 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
High-quality deep groove ball bearing Model 6304 made of bearing steel, suitable for radial loads with strong durability. Ideal for industrial and mechanical applications requiring reliable performance.
Specifications
| Model No. | 6203 |
| Dimensions (mm) | 45*68*12 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | NTN |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing with model 6203, made of high-quality bearing steel. Suitable for various industrial applications requiring reliable performance and durability.

















