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Spot bearing model table, Model substitution Cross-reference Brand model reference Model substitution Substitute Bearing interchange Bearing brand replacement Model replace
| Ball Bearings Metric Miniature Series | |||||||||||
| WM MR106 | 6 | 10 | 2.5 | 3 | 496 | 218 | 11.2 | 0.6 | 0.6 | 0.55 | 0.7 |
| WM MR126 | 6 | 12 | 3 | 4 | 714 | 295 | 13.2 | 0.6 | 0.8 | 1.25 | 1.66 |
| WM 686 | 6 | 13 | 3.5 | 5 | 1082 | 442 | 15 | 1 | 1.1 | 1.87 | 2.68 |
| WM 696 | 6 | 15 | 5 | 5 | 1340 | 523 | 17 | 1.2 | 1.2 | 3.85 | 3.65 |
| WM 606 | 6 | 17 | 6 | 6 | 2263 | 846 | 19 | 1.2 | 1.2 | 5.94 | 6.89 |
| WM 626 | 6 | 19 | 6 | 6 | 2336 | 896 | 22 | 1.5 | 1.5 | 8.12 | 8.65 |
| WM 636 | 6 | 22 | 7 | 7 | 3333 | 1423 | 25 | 1.5 | 1.5 | 13.9 | 14.5 |
| WM MR117 | 7 | 11 | 2.5 | 3 | 455 | 202 | 12.2 | 0.6 | 0.6 | 0.59 | 0.71 |
| WM MR137 | 7 | 13 | 3 | 4 | 541 | 276 | 14.2 | 0.6 | 0.8 | 1.52 | 2.01 |
| WM 687 | 7 | 14 | 3.5 | 5 | 1173 | 613 | 16 | 1 | 1.1 | 2.03 | 2.95 |
| WM 697 | 7 | 17 | 5 | 5 | 1605 | 719 | 19 | 1.2 | 1.2 | 5.26 | 6.01 |
| WM 607 | 7 | 19 | 6 | 6 | 2336 | 896 | 22 | 1.5 | 1.5 | 7.8 | 8.24 |
| WM 627 | 7 | 22 | 7 | 7 | 3287 | 1379 | 25 | 1.5 | 1.5 | 12.7 | 13.1 |
| WM 637 | 7 | 26 | 9 | 9 | 4563 | 1983 | 29 | 2 | 2 | 24.2 | 25.8 |
| WM MR128 | 8 | 12 | 2.5 | 3.5 | 543 | 274 | 13.2 | 0.6 | 0.8 | 0.7 | 0.99 |
| WM MR148 | 8 | 14 | 3.5 | 4 | 817 | 386 | 15.6 | 0.8 | 0.8 | 1.9 | 2.19 |
| WM 688 | 8 | 16 | 4 | 5 | 1252 | 592 | 18 | 1 | 1.1 | 3.11 | 4.05 |
| WM 698 | 8 | 19 | 6 | 6 | 2237 | 917 | 22 | 1.5 | 1.5 | 7.12 | 7.57 |
| WM 608 | 8 | 22 | 7 | 7 | 3293 | 1379 | 25 | 1.5 | 1.5 | 11.8 | 12.9 |
| WM 628 | 8 | 24 | 8 | 8 | 3333 | 1423 | — | — | — | 17.1 | 18.5 |
| WM 638 | 8 | 28 | 9 | 9 | 4563 | 1983 | — | — | — | 28.1 | 30.3 |
| WM 679 | 9 | 14 | 3 | 4.5 | 919 | 468 | 15.5 | 0.8 | 0.8 | 1.35 | 1.98 |
| WM 689 | 9 | 17 | 4 | 5 | 1327 | 668 | 19 | 1 | 1.1 | 3.41 | 4.38 |
| WM 699 | 9 | 20 | 6 | 6 | 2467 | 1081 | 23 | 1.5 | 1.5 | 8.38 | 8.54 |
| WM 609 | 9 | 24 | 7 | 7 | 3356 | 1444 | 27 | 1.5 | 1.5 | 14.7 | 16 |
| WM 629 | 9 | 26 | 8 | 8 | 4575 | 1983 | — | — | — | 19 | 21.8 |
| WM 639 | 9 | 30 | 10 | 10 | 4659 | 2080 | — | — | — | 36.2 | 37.1 |
| WM 682 | 2 | 5 | 1.5 | 2.3 | 169 | 50 | 6.1 | 0.5 | 0.6 | 0.15 | 0.2 |
| WM MR52 | 2 | 5 | 2 | 2.5 | 169 | 50 | 6.2 | 0.6 | 0.6 | 0.14 | 0.2 |
| WM 692 | 2 | 6 | 2.3 | 3 | 330 | 99 | 7.5 | 0.6 | 0.8 | 0.28 | 0.35 |
| WM MR62 | 2 | 6 | 2.5 | 2.5 | 330 | 99 | 7.2 | 0.6 | 0.6 | 0.28 | 0.33 |
| WM MR72 | 2 | 7 | 2.5 | 3 | 386 | 129 | 8.2 | 0.6 | 0.6 | 0.43 | 0.53 |
| WM 602 | 2 | 7 | 2.8 | 3.5 | 386 | 129 | 8.5 | 0.7 | 0.9 | 0.5 | 0.6 |
| WM MR63 | 3 | 6 | 2 | 2.5 | 209 | 74 | 7.2 | 0.6 | 0.6 | 0.2 | 0.28 |
| WM 683 | 3 | 7 | 2 | 3 | 311 | 112 | 8.1 | 0.5 | 0.8 | 0.32 | 0.45 |
| WM MR83 | 3 | 8 | 2.5 | 3 | 395 | 141 | 9.2 | 0.6 | 0.6 | 0.51 | 0.67 |
| WM 693 | 3 | 8 | 3 | 4 | 558 | 180 | 9.5 | 0.7 | 0.9 | 0.6 | 0.8 |
| WM MR93 | 3 | 9 | 2.5 | 4 | 571 | 189 | 10.2 | 0.6 | 0.8 | 0.75 | 1.3 |
| WM 603 | 3 | 9 | 3 | 5 | 571 | 189 | 10.5 | 0.7 | 1 | 0.84 | 1.43 |
| WM 623 | 3 | 10 | 4 | 4 | 631 | 219 | 11.5 | 1 | 1 | 1.45 | 1.65 |
| WM 633 | 3 | 13 | 5 | 5 | 1301 | 488 | 15 | 1 | 1 | 3.27 | 3.43 |
| WM MR74 | 4 | 7 | 2 | 2.5 | 311 | 115 | 8.2 | 0.6 | 0.6 | 0.23 | 0.33 |
| WM MR84 | 4 | 8 | 2 | 3 | 395 | 141 | 9.2 | 0.6 | 0.6 | 0.39 | 0.56 |
| WM 684 | 4 | 9 | 2.5 | 4 | 641 | 227 | 10.3 | 0.6 | 1 | 0.65 | 1 |
| WM MR104 | 4 | 10 | 3 | 4 | 711 | 272 | 11.2 | 0.6 | 0.8 | 0.96 | 1.33 |
| WM 694 | 4 | 11 | 4 | 4 | 957 | 350 | 12.5 | 1 | 1 | 1.69 | 1.75 |
| WM 604 | 4 | 12 | 4 | 4 | 957 | 350 | 13.5 | 1 | 1 | 2.19 | 2.34 |
| WM 624 | 4 | 13 | 5 | 6 | 1301 | 488 | 15 | 1 | 1 | 3.1 | 3.2 |
| WM 634 | 4 | 16 | 5 | 6 | 1340 | 523 | 18 | 1 | 1 | 5.24 | 5.44 |
| WM MR85 | 5 | 8 | 2 | 2.5 | 308 | 120 | 9.2 | 0.6 | 0.6 | 0.25 | 0.34 |
| WM MR95 | 5 | 9 | 2.5 | 3 | 431 | 169 | 10.2 | 0.6 | 0.6 | 0.54 | 0.58 |
| WM MR105 | 5 | 10 | 3 | 4 | 431 | 169 | 11.2 | 0.6 | 0.8 | 0.91 | 1.26 |
| MR115 | 5 | 11 | — | 4 | 716 | 282 | 12.6 | — | 0.8 | — | 0.62 |
| WM 685 | 5 | 11 | 3 | 5 | 716 | 282 | 12.5 | 0.8 | 1 | 1.16 | 1.93 |
| WM 695 | 5 | 13 | 4 | 4 | 1077 | 432 | 15 | 1 | 1 | 2.39 | 2.31 |
| WM 605 | 5 | 14 | 5 | 5 | 329 | 507 | 16 | 1 | 1 | 3.46 | 3.75 |
| WM 625 | 5 | 16 | 5 | 5 | 1729 | 675 | 18 | 1 | 1 | 4.95 | 5.1 |
| WM 635 | 5 | 19 | 5 | 5 | 2336 | 896 | 22 | 1.5 | 1.5 | 8.5 | 8.89 |
| bearing | Bearing Number | ||||||||||
| free1 | Nominal Dimensions#d | mm | |||||||||
| free2 | Nominal Dimensions#D | mm | |||||||||
| free3 | Nominal Dimensions#B Open | mm | |||||||||
| free4 | Nominal Dimensions#B Sealed | mm | |||||||||
| free5 | Basic load Dynamic | N | |||||||||
| free6 | Basic load Static | N | |||||||||
| free7 | Flange Diameter Df | mm | |||||||||
| free8 | Flange Width#Bf Open | mm | |||||||||
| free9 | Flange Width#Bf Sealed | mm | |||||||||
| weight | Weight Open | g | |||||||||
| w1 | Weight Sealed | g |
Grease Seals Wear Sleeves，Oil Seals，V-Rings，Pulleys，Sprockets，V-Belts，Tapered Roller Bearings，Cam Followers，Mounted Units，Needle Bearings，Precision BearingsRod Ends，Roller Bearings，Spherical Roller Bearings，Spherical Bushings，Thrust Bearings，Grease，Ball Bearings，Chain，Actuators，Profile Rail，Ball Screws，Ball Bushings，Locknuts/Washers，Bearing Heaters，Lubricators，Precision Shafting
sales@needbearings.com www.needbearings.com