Contact us
JINAN DEMENG BEARING
Tel: +86-531-58618710
Fax: +86-531-58618710
Mobile/Whatsapp:
+86-18766150608
Postcode: 250013
Mail:
demsales@dembearing.com
ellen@dembearing.com
MSN:
MSN:
ADD: 9-1-805 HONGKONG INTERNATIONAL, TIANQIAO DISTRICT, JINAN, SHANDONG, CHINA
21 Series
| Boundary dimensions(mm) | Basic load ratings(kN) | Limiting speeds(rpm) | Mass(Kg) | Bearing Number | |||||
| d | D | B | rs min | Cr | Cor | Grease | Oil | (Approx.) | NO |
| 40 | 90 | 23 | 1.5 | 88 | 90 | 3,200 | 4,900 | 0.705 | 21308 |
| 40 | 90 | 23 | 1.5 | 88 | 90 | 3,200 | 4,900 | 0.694 | 21308K |
| 45 | 100 | 25 | 1.5 | 102 | 106 | 2,900 | 4,400 | 0.927 | 21309 |
| 45 | 100 | 25 | 1.5 | 102 | 106 | 2,900 | 4,400 | 0.912 | 21309K |
| 50 | 110 | 27 | 2 | 118 | 127 | 2,600 | 4,000 | 1.21 | 21310 |
| 50 | 110 | 27 | 2 | 118 | 127 | 2,600 | 4,000 | 1.19 | 21310K |
| 55 | 120 | 29 | 2 | 145 | 163 | 2,400 | 3,700 | 1.71 | 21311 |
| 55 | 120 | 29 | 2 | 145 | 163 | 2,400 | 3,700 | 1.69 | 21311K |
| 60 | 130 | 31 | 2.1 | 167 | 191 | 2,200 | 3,400 | 2.1 | 21312 |
| 60 | 130 | 31 | 2.1 | 167 | 191 | 2,200 | 3,400 | 2.07 | 21312K |
| 65 | 140 | 33 | 2.1 | 194 | 228 | 2,000 | 3,100 | 2.55 | 21313 |
| 65 | 140 | 33 | 2.1 | 194 | 228 | 2,000 | 3,100 | 2.51 | 21313K |
| 70 | 150 | 35 | 2.1 | 220 | 262 | 1,900 | 2,900 | 3.18 | 21314 |
| 70 | 150 | 35 | 2.1 | 220 | 262 | 1,900 | 2,900 | 3.14 | 21314K |
| 75 | 160 | 37 | 2.1 | 239 | 287 | 1,800 | 2,700 | 3.81 | 21315 |
| 75 | 160 | 37 | 2.1 | 239 | 287 | 1,800 | 2,700 | 3.76 | 21315K |
| 80 | 170 | 39 | 2.1 | 260 | 315 | 1,700 | 2,500 | 4.53 | 21316 |
| 80 | 170 | 39 | 2.1 | 260 | 315 | 1,700 | 2,500 | 4.47 | 21316K |
| 85 | 180 | 41 | 3 | 289 | 355 | 1,600 | 2,400 | 5.35 | 21317 |
| 85 | 180 | 41 | 3 | 289 | 355 | 1,600 | 2,400 | 5.28 | 21317K |
| 90 | 190 | 43 | 3 | 320 | 400 | 1,500 | 2,300 | 6.3 | 21318 |
| 90 | 190 | 43 | 3 | 320 | 400 | 1,500 | 2,300 | 6.21 | 21318K |
| 95 | 200 | 45 | 3 | 335 | 420 | 1,400 | 2,100 | 7.1 | 21319 |
| 95 | 200 | 45 | 3 | 335 | 420 | 1,400 | 2,100 | 7 | 21319K |
| 100 | 215 | 47 | 3 | 370 | 465 | 1,300 | 2,000 | 8.89 | 21320 |
| 100 | 215 | 47 | 3 | 370 | 465 | 1,300 | 2,000 | 8.78 | 21320K |
| 110 | 240 | 50 | 3 | 495 | 615 | 1,200 | 1,800 | 11.2 | 21322 |
| 110 | 240 | 50 | 3 | 495 | 615 | 1,200 | 1,800 | 11.1 | 21322K |
