NA Series Radial Insert Ball Bearings are specifically engineered for applications requiring reliable radial load handling and easy mounting. Designed with a bearing insert housed in robust units, these bearings are known for their efficiency, durability, and adaptability across diverse operational conditions. They are widely utilized in industries requiring high precision and performance.
Features
- Enhanced Durability: Made from high-quality materials for longevity and resistance to wear.
- Corrosion-Resistant Options: Stainless steel options are available for harsh or moisture-prone environments.
- Effective Sealing: Equipped with robust seals to prevent contamination and ensure smooth operation.
- Flexible Locking Mechanisms: Includes set screws or eccentric locking collars for secure mounting.
- Versatile Housing Compatibility: Suitable for pillow block, flange units, and other standard housings.
- Pre-Lubricated Design: Supplied with high-performance grease for immediate use.
Applications
- Agricultural machinery
- Conveyor and material handling systems
- Textile machinery
- Packaging equipment
- HVAC systems
- Automotive components

| Bearing No. |
d | Dimensions(mm) | Basic Load Rating (KN) |
||||||||||
| (mm) | (in.) | D | Be | Bi | B1 | n | K | H | G | ds | Dynamic | Static | |
| NA203 | 17 | 40 | 14 | 37.3 | 27.8 | 13.9 | 28.6 | 13.5 | 5 | M6X1 | 900 | 500 | |
| NA203-11 | 17.463 | 11/16 | 40 | 14 | 37.3 | 27.8 | 13.9 | 28.6 | 13.5 | 5 | 1/4-28UNF | 900 | 500 |
| NA204-12 | 19.05 | 3/4 | 47 | 17 | 43.7 | 34.2 | 17. | 33.3 | 13.5 | 5 | 1/4-28UNF | 1250 | 650 |
| NA204 | 20 | 47 | 17 | 43.7 | 34.2 | 17.1 | 33.3 | 13.5 | 5 | M6X1 | 1250 | 650 | |
| NA205-14 | 22.225 | 7/8 | 52 | 17 | 44.4 | 35 | 17.5 | 38.1 | 13.5 | 5 | 1/4-28UNF | 1400 | 750 |
| NA205-15 | 23.813 | 15/16 | 52 | 17 | 44.4 | 35 | 17.5 | 38.1 | 13.5 | 5 | 1/4-28UNF | 1400 | 750 |
| NA205 | 25 | 52 | 17 | 44.4 | 35 | 17.5 | 38.1 | 13.5 | 5 | M6x1 | 1400 | 750 | |
| NA205-16 | 25.4 | 1 | 52 | 17 | 44.4 | 35 | 17.5 | 38.1 | 13.5 | 5 | 1/4-28UNF | 1400 | 750 |
| NA206-18 | 28.575 | 11/8 | 62 | 19 | 48.4 | 36.6 | 18.3 | 44.5 | 15.9 | 6 | 5/16-24UNF | 1900 | 1100 |
| NA206 | 30 | 62 | 19 | 48.4 | 36.6 | 18.3 | 44.5 | 15.9 | 6 | M8x1 | 1900 | 1100 | |
| NA206-19 | 30.163 | 1 3/16 |
62 | 19 | 48.4 | 36.6 | 18.3 | 44.5 | 15.9 | 6 | 5/16-24UNF | 1900 | 1100 |
| NA206-20 | 31.75 | 11/4 | 62 | 19 | 48.4 | 36.6 | 18.3 | 44.5 | 15.9 | 6 | 5/16-24UNF | 1900 | 1100 |
| NA207-20 | 31.75 | 11/4 | 72 | 20 | 51.1 | 37.6 | 18.8 | 55.6 | 17.5 | 6.5 | 5/16-24UNF | 2550 | 1500 |
| NA207-22 | 34.925 | 13/8 | 72 | 20 | 51.1 | 37.6 | 18.8 | 55.6 | 17.5 | 6.5 | 5/16-24UNF | 2550 | 1500 |
| NA207 | 35 | 72 | 20 | 51.1 | 37.6 | 18.8 | 55.6 | 17.5 | 6.5 | M8x1 | 2550 | 1500 | |
| NA207-23 | 36.513 | 1 7/16 |
72 | 20 | 51.1 | 37.6 | 18.8 | 55.6 | 17.5 | 6.5 | 5/16-24UNF | 2550 | 1500 |
| NA208-24 | 38.1 | 11/2 | 80 | 21 | 56.3 | 42.8 | 21.4 | 60.3 | 18.3 | 6.5 | 5/16-24UNF | 2950 | 1800 |
| NA208-25 | 39.688 | 1 9/16 |
80 | 21 | 56.3 | 42.8 | 21.4 | 60.3 | 18.3 | 6.5 | 5/16-24UNF | 2950 | 1800 |
| NA208 | 40 | 80 | 21 | 56.3 | 42.8 | 21.4 | 60.3 | 18.3 | 6.5 | M8x1 | 2950 | 1800 | |
| NA209-26 | 41.275 | 15/8 | 85 | 22 | 56.3 | 42.8 | 21.4 | 63.5 | 18.3 | 6.5 | 5/16-24UNF | 3180 | 2050 |
| NA209-27 | 42.863 | 1 11/16 |
85 | 22 | 56.3 | 42.8 | 21.4 | 63.5 | 18.3 | 6.5 | 5/16-24UNF | 3180 | 2050 |
| NA209-28 | 44.45 | 13/4 | 85 | 22 | 56.3 | 42.8 | 21.4 | 63.5 | 18.3 | 6.5 | 5/16-24UNF | 3180 | 2050 |
| NA209 | 45 | 85 | 22 | 56.3 | 42.8 | 21.4 | 63.5 | 18.3 | 6.5 | M8x1 | 3180 | 2050 | |
| NA210-31 | 49.213 | 1 15/16 |
90 | 24 | 62.7 | 49.2 | 24.6 | 69.9 | 18.3 | 6.5 | 5/16-24UNF | 3500 | 2300 |
| NA210 | 50 | 90 | 24 | 62.7 | 49.2 | 24.6 | 69.9 | 18.3 | 6.5 | M8x1 | 3500 | 2300 | |
| NA210-32 | 50.8 | 2 | 90 | 24 | 62.7 | 49.2 | 24.6 | 69.9 | 18.3 | 6.5 | 5/16-24UNF | 3500 | 2300 |
| NA211-32 | 50.8 | 2 | 100 | 25 | 71.4 | 55.6 | 27.8 | 76.2 | 20.7 | 8 | 3/8-24UNF | 4350 | 2900 |
| NA211 | 55 | 100 | 25 | 71.4 | 55.6 | 27.8 | 76.2 | 20.7 | 8 | M10x1.25 | 4350 | 2900 | |
| NA211-35 | 55.563 | 2 3/16 |
100 | 25 | 71.4 | 55.6 | 27.8 | 76.2 | 20.7 | 8 | 3/8- 24UNF |
4350 | 2900 |
| NA212-36 | 57.15 | 21/4 | 110 | 27 | 77.8 | 62 | 31 | 84.2 | 22.3 | 8 | 3/8- 24UNF |
4750 | 3250 |
| NA212 | 60 | 110 | 27 | 77.8 | 62 | 31 | 84.2 | 22.3 | 8 | M10x1.25 | 4750 | 3250 | |
| NA212-39 | 61.913 | 2 7/16 |
110 | 27 | 77.8 | 62 | 31 | 84.2 | 22.3 | 8 | 3/8-24UNF | 4750 | 3250 |
| NA213-40 | 63.5 | 21/2 | 120 | 28 | 85.7 | 68.6 | 34.1 | 86 | 23.5 | 8.5 | 3/8-24UNF | 5700 | 4000 |
| NA213 | 65 | 120 | 28 | 85.7 | 68.6 | 34.1 | 86 | 23.5 | 8.5 | M10x1.25 | 5700 | 4000 | |
| NA215-47 | 74.613 | 2 15/16 |
130 | 30 | 92.1 | 75 | 37.3 | 102 | 23.5 | 8.5 | 3/8-24UNF | 6600 | 4950 |
| NA215 | 75 | 130 | 30 | 92.1 | 75 | 37.3 | 102 | 23.5 | 8.5 | M10x1.25 | 6600 | 4950 | |
| NA215-48 | 76.2 | 3 | 130 | 30 | 92.1 | 75 | 37.3 | 102| | 23.5 | 8.5 | 3/8-24UNF | 6600 | 4950 |










