Deep groove ball bearing BL series
Deep groove ball bearing BL series introduction
Deep groove ball bearings BL series are ball-filled bearings with extremely high load carrying capacity, small radial section, saving space, but relatively low speed
Deep groove ball bearing BL series suffix symbol
| Subject | Symbol | Description |
| Seal type | ZZ | Metal shields on both sides. |
| 2RS | Rubber seals on both sides. | |
| Z | Metal shield on one side. | |
| RS | Rubber seal on one side. | |
| Other technical modifications | NR | Groove with inserted snap ring in outer ring. |
| N | Snap ring groove in the outer ring. | |
| SS | Stainless steel. | |
| Cage type | M | Brass cage ball guided. |
| MB | Brass cage, inner ring centered. | |
| MA | Brass cage, outer ring centered. |
Structure drawing of deep groove ball bearing BL series
Bearing type and size of deep groove ball bearing BL series
| Bearing Number | Nominal Bearing Dimensions | ||||||
| d | D | B | Bearing Weight (Approx.) | ||||
| mm | inch | mm | inch | mm | inch | Ibs | |
| BL205 | 25 | 0.9843 | 52 | 2.0472 | 15 | 0.5906 | 0.29 |
| BL305 | 25 | 0.9843 | 62 | 2.4409 | 17 | 0.6693 | 0.54 |
| BL206 | 30 | 1.1811 | 62 | 2.4409 | 16 | 0.6299 | 0.47 |
| BL306 | 30 | 1.1811 | 72 | 2.8346 | 19 | 0.748 | 0.8 |
| BL207 | 35 | 1.378 | 72 | 2.8346 | 17 | 0.6693 | 0.68 |
| BL307 | 35 | 1.378 | 80 | 3.1496 | 21 | 0.8268 | 1.07 |
| BL208 | 40 | 1.5748 | 80 | 3.1496 | 18 | 0.7087 | 0.87 |
| BL308 | 40 | 1.5748 | 90 | 3.5433 | 23 | 0.9055 | 1.47 |
| BL209 | 45 | 1.7717 | 85 | 3.3465 | 19 | 0.748 | 0.99 |
| BL309 | 45 | 1.7717 | 100 | 3.937 | 25 | 0.9843 | 1.94 |
| BL210 | 50 | 1.9685 | 90 | 3.5433 | 20 | 0.7874 | 1.11 |
| BL310 | 50 | 1.9685 | 110 | 4.3307 | 27 | 1.063 | 2.51 |
| BL211 | 55 | 2.1654 | 100 | 3.937 | 21 | 0.8268 | 1.46 |
| BL311 | 55 | 2.1654 | 120 | 4.7244 | 29 | 1.1417 | 3.23 |
| BL212 | 60 | 2.3622 | 110 | 4.3307 | 22 | 0.8661 | 1.88 |
| BL312 | 60 | 2.3622 | 130 | 5.1181 | 31 | 1.2205 | 4.07 |
| BL213 | 65 | 2.5591 | 120 | 4.7244 | 23 | 0.9055 | 2.4 |
| BL313 | 65 | 2.5591 | 140 | 5.5118 | 33 | 1.2992 | 5.1 |
| BL214 | 70 | 2.7559 | 125 | 4.9213 | 24 | 0.9449 | 2.62 |
| BL314 | 70 | 2.7559 | 150 | 5.9055 | 35 | 1.378 | 6.23 |
| BL215 | 75 | 2.9528 | 130 | 5.1181 | 25 | 0.9843 | 2.84 |
| BL315 | 75 | 2.9528 | 160 | 6.2992 | 37 | 1.4567 | 7.44 |
| BL216 | 80 | 3.1496 | 140 | 5.5118 | 26 | 1.0236 | 3.48 |
| BL316 | 80 | 3.1496 | 170 | 6.6929 | 39 | 1.5354 | 8.89 |
| BL217 | 85 | 3.3465 | 150 | 5.9055 | 28 | 1.1024 | 4.29 |
| BL317 | 85 | 3.3465 | 180 | 7.0866 | 41 | 1.6142 | 10.36 |
| BL218 | 90 | 3.5433 | 160 | 6.2992 | 30 | 1.1811 | 5.3 |
| BL318 | 90 | 3.5433 | 190 | 7.4803 | 43 | 1.6929 | 11.84 |
| BL219 | 95 | 3.7402 | 170 | 6.6929 | 32 | 1.2598 | 6.38 |
| BL319 | 95 | 3.7402 | 200 | 7.874 | 45 | 1.7717 | 14.08 |
| BL220 | 100 | 3.937 | 180 | 7.0866 | 34 | 1.3386 | 7.68 |
| BL221 | 105 | 4.1339 | 190 | 7.4803 | 36 | 1.4173 | 9.2 |