Representative product photographs. Confirm the selected model and construction when ordering.
BL Series Deep Groove Ball Bearings
Maximum-capacity deep groove ball bearings for radial-load applications. Select a model below to review dimensions, load ratings and limiting speeds.
Compare the models below. Please confirm clearance, lubrication, precision and available construction for your operating conditions.
Dimensions & Specifications
Select a model for its technical page. Scroll sideways to see all specifications.
| Model | d (mm) | D (mm) | B (mm) | r min. (mm) | Cr (N) | C0r (N) | Grease Speed (min⁻¹) | Oil Speed (min⁻¹) |
|---|---|---|---|---|---|---|---|---|
| BL205 | 25 | 52 | 15 | 1 | 9480 | 6300 | 7200 | 9000 |
| BL205ZZ | 25 | 52 | 15 | 1 | 9480 | 6300 | 7200 | — |
| BL305 | 25 | 62 | 17 | 1.1 | 14220 | 9300 | 6600 | 7800 |
| BL305ZZ | 25 | 62 | 17 | 1.1 | 14220 | 9300 | 6600 | — |
| BL206 | 30 | 62 | 16 | 1 | 13920 | 9780 | 6000 | 7200 |
| BL206ZZ | 30 | 62 | 16 | 1 | 13920 | 9780 | 6000 | — |
| BL306 | 30 | 72 | 19 | 1.1 | 18300 | 12420 | 5400 | 6600 |
| BL306ZZ | 30 | 72 | 19 | 1.1 | 18300 | 12420 | 5400 | — |
| BL207 | 35 | 72 | 17 | 1.1 | 18300 | 13260 | 5400 | 6600 |
| BL207ZZ | 35 | 72 | 17 | 1.1 | 18300 | 13260 | 5400 | — |
| BL307 | 35 | 80 | 21 | 1.5 | 24600 | 17460 | 4800 | 5700 |
| BL307ZZ | 35 | 80 | 21 | 1.5 | 24600 | 17460 | 4800 | — |
| BL208 | 40 | 80 | 18 | 1.1 | 23400 | 17280 | 4800 | 5700 |
| BL208ZZ | 40 | 80 | 18 | 1.1 | 23400 | 17280 | 4800 | — |
| BL308 | 40 | 90 | 23 | 1.5 | 30600 | 21600 | 4500 | 5400 |
| BL308ZZ | 40 | 90 | 23 | 1.5 | 30600 | 21600 | 4500 | — |
| BL209 | 45 | 85 | 19 | 1.1 | 24600 | 19200 | 4500 | 5400 |
| BL209ZZ | 45 | 85 | 19 | 1.1 | 24600 | 19200 | 4500 | — |
| BL309 | 45 | 100 | 25 | 1.5 | 36600 | 26400 | 3780 | 4800 |
| BL309ZZ | 45 | 100 | 25 | 1.5 | 36600 | 26400 | 3780 | — |
| BL210 | 50 | 90 | 20 | 1.1 | 25800 | 21000 | 4020 | 5100 |
| BL210ZZ | 50 | 90 | 20 | 1.1 | 25800 | 21000 | 4020 | — |
| BL310 | 50 | 110 | 27 | 2 | 42900 | 31500 | 3600 | 4260 |
| BL310ZZ | 50 | 110 | 27 | 2 | 42900 | 31500 | 3600 | — |
| BL317 | 85 | 180 | 41 | 3 | 97200 | 87000 | 2160 | 2580 |
| BL317ZZ | 85 | 180 | 41 | 3 | 97200 | 87000 | 2160 | — |
| BL218 | 90 | 160 | 30 | 2 | 70200 | 64200 | 2280 | 2700 |
| BL218ZZ | 90 | 160 | 30 | 2 | 70200 | 64200 | 2280 | — |
| BL318 | 90 | 190 | 43 | 3 | 104400 | 96600 | 2040 | 2400 |
| BL318ZZ | 90 | 190 | 43 | 3 | 104400 | 96600 | 2040 | — |
| BL219 | 95 | 170 | 32 | 2.1 | 79800 | 73800 | 2160 | 2580 |
| BL219ZZ | 95 | 170 | 32 | 2.1 | 79800 | 73800 | 2160 | — |
| BL319 | 95 | 200 | 45 | 3 | 111600 | 106800 | 1680 | 2160 |
| BL319ZZ | 95 | 200 | 45 | 3 | 111600 | 106800 | 1680 | — |
No matching model. Contact AOSN for assistance.
Dimensions: mm. Load ratings: N. Limiting speeds: min⁻¹. Blank oil-speed values for ZZ models are unspecified. Confirm the complete designation and operating conditions before ordering.
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