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Ball Bearing & Compenents


High Precision Miniature Bearings

Extra Miniature Bearings

Metric Series


  • Extra-miniature bearing can greatly expand application
  • An abundant variation of extra-miniature bearings is available for use in the lastest downsized and weight-saving products
  • Available in high carbon chromium steel or stainless steel, plain or flanged, shielded or open types
  • This particular line of miniature bearings enables manufacturers to further downsize their products without compromising requirements for speed, low starting and friction torque, reduced vibrations and noise
Specifications

Bore
Diameter

d		 Outer
Diameter

D		 Flange
Diameter

Df		 Radius

rs(min)		 Open Bearing... Seal, Shield Bearing Load Rating(N) Max. Speed Cage
Type		 Ball
Complement		 Weight
(Ref.)
Width

B		 Flange
Width

Bf		 Bearing Reference .Width

B1		 .Flange
Width

Bf1
Open Flange
Open 		Shield Flange
Shield 		Seal C r(N) Cor(N) Grease Oil Qty. Size Open Flange
Open 		Shield Flange
Shield
(2RS) (2RU) (TTS) x1000rpm Z Dw g
0.6 2.5 - 0.05 1.0 - 68/0.6 - - - - - - - - 68 16 142 160 W 5 0.500 0.02 - - -
. . . . . . . . . . . . . . . . . . . . . . . . . .
1.0 3 3.8 0.05 1.0 0.3 681 F681 - - - - - - - 96 26 130 150 W 6 0.600 0.03 0.04 - -
. 3 - 0.05 1.5 - MR31 - - - - - - - - 96 26 130 150 W 6 0.600 0.05 - - -
. 4 5.0 0.10 1.6 0.5 691 F691 - - - - - - - 141 37 100 120 W 5 0.800 0.11 0.14 - -
. . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 4 4.8 0.10 1.8 0.4 MR41X MF41X MR41XZZ - - - - 2.5 - 112 33 110 130 W 7 0.600 0.10 0.12 0.14 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 4 5.0 0.05 1.2 0.4 681X F681X 681XZZ F681XZZ - - - 2.0 0.6 112 33 100 120 W 7 0.600 0.10 0.12 0.14 0.17
. 5 6.5 0.15 2.0 0.6 691X F691X 691XZZ F691XZZ - - - 2.6 0.8 169 50 85 100 W 6 1.000 0.20 0.26 0.25 0.33
. 6 7.5 0.15 2.5 0.6 601X F601X 601XZZ F601XZZ - - - 3.0 0.8 330 99 75 90 W 6 1.200 0.31 0.38 0.40 0.50
. . . . . . . . . . . . . . . . . . . . . . . . . .
2.0 4 - 0.05 1.2 - 672 - 672ZZ - - - - 2.0 . 124 40 91 104 W 8 0.600 0.05 - 0.07 -
. 5 6.1 0.08 1.5 0.5 682 F682 682ZZ F682ZZ - - - 2.3 0.6 169 50 85 100 W 6 0.800 0.15 0.19 0.20 0.24
. 5 6.2 0.10 2.0 0.6 MR52 MF52 MR52ZZ MF52ZZ - - - 2.5 0.6 169 50 85 100 W 6 0.800 0.14 0.19 0.20 0.25
. 6 7.5 0.15 2.3 0.6 692 F692 692ZZ F692ZZ - - TTS 3.0 0.8 330 99 75 90 W 6 1.200 0.28 0.35 0.35 0.45
. 6 7.2 0.15 2.5 0.6 MR62 MF62 MR62ZZ - - - - 2.5 . 330 99 75 90 W,J 6 1.200 0.28 0.34 0.33 -
. 7 8.2 0.15 2.5 0.6 MR72 MF72 MR72ZZS MF72ZZS - - TTS 3.0 0.6 386 129 63 75 W 7 1.200 0.43 0.50 0.53 0.60
. 7 8.5 0.15 2.8 0.7 602 F602 602ZZS F602ZZS - - TTS 3.5 0.9 386 129 60 71 W 7 1.200 0.50 0.60 0.60 0.73
. . . . . . . . . . . . . . . . . . . . . . . . . .
2.5 6 7.1 0.08 1.8 0.5 682X F682X 682XZZ F682XZZ - - - 2.6 0.8 209 74 71 80 W 8 0.800 0.20 0.24 0.35 0.42
. 7 8.5 0.15 2.5 0.7 692X F692X 692XZZS F692XZZS - - TTS 3.5 0.9 386 129 63 75 W 7 1.200 0.40 0.50 0.55 0.68
. 8 9.2 0.20 2.5 0.6 MR82X MF82X - - - - - - - 558 180 60 67 W 6 1.588 0.52 0.60 - -
. 8 9.5 0.15 2.8 0.7 602X F602X 602XZZ F602X - - - 4.0 0.9 552 177 60 71 W 6 1.588 0.61 0.72 0.85 0.99
. . . . . . . . . . . . . . . . . . . . . . . . . .
3.0 6 7.2 0.10 2.0 0.6 MR63 MF63 MR63ZZ MF63ZZ - - - 2.5 0.6 209 74 71 80 W 8 0.800 0.20 0.26 0.28 0.34
. 7 8.1 0.10 2.0 0.5 683 F683 683ZZ F683ZZ - - TTS 3.0 0.8 311 112 63 75 W 8 1.000 0.32 0.37 0.45 0.53
. 8 9.2 0.15 2.5 0.6 MR83 MF83 MR83ZZ - - - - 3.0 - 395 141 60 67 J 7 1.200 0.51 0.59 0.67 -
. 8 9.5 0.15 3.0 0.7 693 F693 693ZZ F693ZZ - - - 4.0 0.9 558 180 60 67 W,J,TW 6 1.588 0.60 0.71 0.80 0.94
. 9 10.2* 0.20 0.15 2.5 0.6 MR93 MF93 MR93ZZ MF93ZZ - - - 4.0 0.8 571 189 56 67 W 6 1.588 0.75 0.83 1.15 1.30
. 9 10.5 0.15 3.0 0.7 603 F603 603ZZ F603ZZ - - - 5.0 1.0 571 189 56 67 W 6 1.588 0.84 0.96 1.13 1.61
. 10 11.5 0.15 4.0 1.0 623 F623 623ZZ F623ZZ 2RS 2RU - 4.0 1.0 631 219 50 60 J,TW 7 1.588 1.45 1.65 1.65 1.85
. 13 - 0.20 5.0 - 633 - 633ZZ - 2RS 2RU - 5.0 - 1301 488 40 48 J 7 2.381 3.27 - 3.43 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
4.0 7 8.2 0.10 2.0 0.6 MR74 MF74 - - - - - - - 311 115 60 67 W 8 1.000 0.23 0.30 - -
. 7 8.2 0.10 - - - - MR74ZZS MF74ZZS - - - 2.5 0.6 255 108 60 67 W 11 0.800 - - 0.33 0.40
. 8 9.2 0.15 0.10 2.0 0.6 MR84 MF84 MR84ZZ MF84ZZ - - - 3.0 0.6 395 141 56 67 W,J,TW 7 1.200 0.39 0.47 0.56 0.64
. 9 10.3 0.10 2.5 0.6 684 F684 684ZZ F684ZZ 2RS 2RU TTS 4.0 1.0 641 227 53 63 . 7 1.588 0.65 0.74 1.00 1.15
. 10 11.2* 0.20 0.15 3.0 0.6 MR104 MF104 MR104ZZ MF104ZZ 2RS 2RU - 4.0 0.8 711 272 48 56 J 8 1.588 0.96 1.04 1.33 1.50
. 11 12.5 0.15 4.0 1.0 694 F694 694ZZ F694ZZ 2RS 2RU - 4.0 1.0 957 350 48 56 J 7 2.000 1.69 1.91 1.75 1.97
. 12 13.5 0.20 4.0 1.0 604 F604 604ZZ F604ZZ 2RS 2RU - 4.0 1.0 957 350 48 56 J 7 2.000 2.19 2.42 2.34 2.57
. 13 15.0 0.20 5.0 1.0 624 F624 624ZZ F624ZZ 2RS 2RU - 5.0 1.0 1301 488 40 48 J 7 2.381 3.10 3.44 3.20 3.54
. 16 18.0 0.30 5.0 1.0 634 F634 634ZZ F634ZZ 2RS 2RU TTS 5.0 1.0 1340 523 36 43 J 7 2.381 5.24 5.66 5.44 5.86
. . . . . . . . . . . . . . . . . . . . . . . . . .
5.0 8 9.2 0.10 2.0 0.1 MR85 MF85 - - - - - - - 308 120 53 63 W 8 1.000 0.25 0.33 - -
. 8 9.2 0.10 - - - - MR85ZZS MF85ZZS - - TTS 2.5 0.6 218 90 53 63 W 9 0.800 - - 0.34 0.42
. 9 10.2 0.15 2.5 0.6 MR95 MF95 MR95ZZS MF95ZZS - - TTS 3.0 0.6 431 169 50 60 W 8 1.200 0.54 0.62 0.58 0.66
. 10 11.2* 0.15 3.0 0.6 MR105 MF105 MR105ZZ MF105ZZ 2RS 2RU - 4.0 0.8 431 169 50 60 W 8 1.200 0.91 1.00 1.26 1.38
. 11 12.6 0.15 - - - - MR115ZZ MF115ZZ 2RS 2RU - 4.0 0.8 716 282 45 53 J 8 1.588 - - 0.62 0.81
. 11 12.5 0.15 3.0 0.8 685 F685 685ZZ F685ZZ 2RS 2RU - 5.0 1.0 716 282 45 53 J,TW 8 1.588 1.16 1.33 1.93 2.15
. 13 15.0 0.20 4.0 1.0 695 F695 695ZZ F695ZZ 2RS 2RU TTS 4.0 1.0 1077 432 43 50 J 8 2.000 2.39 2.73 2.31 2.65
. 14 16.0 0.20 5.0 1.0 605 F605 605ZZ F605ZZ 2RS 2RU - 5.0 1.0 1329 507 40 50 J,TW 7 2.381 3.46 3.83 3.75 4.12
. 16 18.0 0.30 5.0 1.0 625 F625 625ZZ F625ZZ 2RS 2RU TTS 5.0 1.0 1729 675 36 43 J,TW 7 2.778 4.95 5.37 5.10 5.52
. 19 22.0 0.30 6.0 1.5 635 F635 635ZZ F635ZZ 2RS 2RU - 6.0 1.5 2336 896 32 40 J,TW 6 3.500 8.50 9.26 8.89 9.65
. . . . . . . . . . . . . . . . . . . . . . . . . .
6.0 10 11.2 0.15 0.10 2.5 0.6 MR106 MF106 MR106ZZS MF106ZZS - - TTS 3.0 0.6 496 218 45 53 W 10 1.200 0.55 0.64 0.70 0.79
. 12 13.2* 0.20 0.15 3.0 0.6 MR126 MF126 MR126ZZ MF126ZZ 2RS 2RU - 4.0 0.8 716 295 43 50 J,TW 8 1.588 1.25 1.44 1.66 1.86
. 13 15.0 0.15 3.5 1.0 686 F686 686ZZ F686ZZ 2RS 2RU TTS 5.0 1.1 1082 442 40 50 J,TW 8 2.000 1.87 2.21 2.68 3.06
. 15 17.0 0.20 5.0 1.2 696 F696 696ZZ F696ZZ 2RS 2RU TTS 5.0 1.2 1340 523 40 45 J 7 2.381 3.85 4.24 3.65 4.04
. 17 19.0 0.30 6.0 1.2 606 F606 606ZZ F606ZZ 2RS 2RU - 6.0 1.2 2263 846 38 45 J 6 3.500 5.94 6.47 6.89 7.42
. 19 22.0 0.30 6.0 1.5 626 F626 626ZZ F626ZZ 2RS 2RU TTS 6.0 1.5 2336 896 32 40 J,TW 6 3.500 8.12 9.25 8.65 9.78
. 22 - 0.30 7.0 - 636 - 636ZZ - 2RS 2RU - 7.0 - 3333 1423 30 36 J,TW 7 3.969 13.9 - 14.5 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
7.0 11 12.2 0.15 0.10 2.5 0.6 MR117 MF117 MR117ZZS MF117ZZS - - TTS 3.0 0.6 455 202 43 50 W 9 1.200 0.59 0.69 0.71 0.81
. 13 14.2* 0.20 0.15 3.0 0.6 MR137 MF137 MR137ZZ MF137ZZ - - TTS 4.0 0.8 541 276 40 48 W 12 1.200 1.52 1.64 2.01 2.17
. 14 16.0 0.15 3.5 1.0 687 F687 687ZZ F687ZZ 2RS 2RU TTS 5.0 1.1 1173 513 40 50 J 9 2.000 2.03 2.40 2.95 3.35
. 17 19.0 0.30 5.0 1.2 697 F697 697ZZ F697ZZ 2RS 2RU - 5.0 1.2 1605 719 36 43 J 9 2.381 5.26 5.79 5.01 5.54
. 19 22.0 0.30 6.0 1.5 607 F607 607ZZ F607ZZ 2RS 2RU TTS 6.0 1.5 2336 896 36 43 J,TW 6 3.500 7.80 8.93 8.24 9.37
. 22 25.0 0.30 7.0 1.5 627 F627 627ZZ F627ZZ 2RS 2RU TTS 7.0 1.5 3287 1379 30 36 J,TW 7 3.969 12.7 14.0 13.1 14.4
. 26 - 0.30 9.0 - 637 - 637ZZ - 2RS 2RU - 9.0 - 4563 1983 28 34 J 7 4.762 24.2 - 25.8 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
8.0 12 13.2* 0.15 0.10 2.5 0.6 MR128 MF128 MR128ZZS MF128ZZS - - TTS 3.5 0.8 543 274 40 48 W 12 1.200 0.70 0.81 0.99 1.14
. 14 15.6 0.20 0.15 3.5 0.8 MR148 MF148 MR148ZZ MF148ZZ 2RS 2RU - 4.0 0.8 817 386 38 45 J 10 1.588 1.90 2.13 2.19 2.42
. 16 18.0 0.20 4.0 1.0 688 F688 688ZZ F688ZZ 2RS 2RU TTS 5.0 1.1 1252 592 36 43 J,TW 10 2.000 3.11 3.53 4.05 4.51
. 19 22.0 0.30 6.0 1.5 698 F698 698ZZ F698ZZ 2RS 2RU - 6.0 1.5 2237 917 36 43 J 7 3.175 7.12 8.50 7.57 8.70
. 22 25.0 0.30 7.0 1.5 608 F608 608ZZ F608ZZ 2RS 2RU TTS 7.0 1.5 3293 1379 34 40 J,TW 7 3.969 11.8 13.1 12.9 14.2
. 24 - 0.30 8.0 - 628 - 628ZZ - 2RS 2RU - 8.0 - 3333 1423 28 34 J 7 3.969 17.1 - 18.5 -
. 28 - 0.30 9.0 - 638 - 638ZZ - 2RS 2RU - 9.0 - 4563 1983 28 34 J 7 4.762 28.1 - 30.3 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
9.0 14 15.5 0.10 3.0 0.8 679 F679 679ZZS F679ZZS - - TTS 4.5 0.8 919 468 36 42 J 12 1.588 1.35 1.57 1.98 2.20
. 17 19.0 0.20 4.0 1.0 689 F689 689ZZ F689ZZ 2RS 2RU - 5.0 1.1 1327 668 36 43 J 11 2.000 3.41 3.85 4.38 4.87
. 20 23.0 0.30 7.0 1.5 699 F699 699ZZ F699ZZ 2RS 2RU - 6.0 1.5 2467 1081 34 40 J 8 3.175 8.38 9.57 8.54 9.73
. 24 27.0 0.30 7.0 1.5 609 F609 609ZZ F609ZZ 2RS 2RU - 7.0 1.5 3356 1444 32 38 J 7 3.969 14.7 16.1 16.0 17.4
. 26 - 0.30 8.0 - 629 - 629ZZ - 2RS 2RU - 8.0 - 4575 1983 28 34 J 7 4.762 19.0 - 21.8 -
. 30 - 0.60 10.0 - 639 - 639ZZ - 2RS 2RU - 10.0 - 4659 2080 24 30 J 7 4.762 36.2 - 37.1 -
Part Numbering System
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