PRODUCT CATE LIST

Stainless steel miniature bearing

BTON supply a wide range of miniature ball bearings and small bearings .  Our chrome steel miniature bearings are available with bore sizes as small as 3mm. Certain sizes can be supplied with the TW high-speed synthetic cage.

Miniature bearings are sometimes referred to as instrument bearings or micro bearings and are used in applications as varied as gyros, anemometers, miniature gearboxes, small motors and radio controlled models.

Miniature ball bearings are ideal for compact and high performance design, which can operate at low friction and high speed, and minimize the later maintenance requirements. These silent bearings are durable and can withstand light to moderate radial and thrust loads, and can provide a variety of types and designs.

Miniature ball bearings can be basically divided into deep groove type and angular contact type. The most typical deep groove bearing, including outer ring with stop edge, wide inner ring, thin wall and special shape of synchronous bearings. In addition, according to whether there are sealing rings and dust-proof caps, they can be divided into open type, sealing ring type and dust-proof cap type.

Miniature ball bearings are suitable for all kinds of industrial equipment, small rotary motors, office equipment, micro motor soft drives, pressure rotors, hard disk motors, stepping motors, fans, pulleys, rollers, transmission equipment, entertainment equipment, etc.



Bton
Part No.
Dimensions(mm) Basic Load Rating(N) Limiting Speed(rpm) 
Open ZZ/2RZ/2RS d D B B₁ r₁¹ Cr
Dynamic
C0r
Static
Grease Oil
Open
Z·ZZ
RS·2RS Open
Z
SSMR85 5 8 2 0.1 310 120 53000 63000
SMR85ZZ 8 2.5 0.1 278 131 53000 63000
SSMR95 ZZ 9 2.5 3 0.15 0.15 430 168 50000 60000
SSMR105 ZZ 10 3 4 0.15 0.15 430 168 50000 60000
SMR115ZZ/2RZ 11 4 0.15 715 276 48000 56000
SS685 ZZ 11 3 5 0.15 0.15 715 281 45000 53000
SS695 ZZ/2RZ/2RS 13 4 4 0.2 0.2 1080 430 43000 40000 50000
SS605 ZZ/2RS 14 5 5 0.2 0.2 1330 505 40000 38000 50000
SS625 ZZ/2RZ/2RS 16 5 5 0.3 0.3 1730 670 36000 32000 43000
SS635 ZZ/2RZ/2RS 19 6 6 0.3 0.3 2340 885 32000 30000 40000
SSMR106 ZZ 6 10 2.5 3 0.15 0.1 495 218 45000 53000
SSMR126 2RS 12 3 4 0.2 0.15 715 292 43000 40000 50000
SS686 ZZ/2RZ/2RS 13 3.5 5 0.15 0.15 1080 440 40000 38000 50000
SS696 ZZ/2RZ/2RS 15 5 5 0.2 0.2 1730 670 40000 36000 45000
SS606 ZZ/2RZ/2RS 17 6 6 0.3 0.3 2260 835 38000 34000 45000
SS626 ZZ/2RZ/2RS 19 6 6 0.3 0.3 2340 885 32000 30000 40000
SS636 ZZ/2RZ/2RS 22 7 7 0.3 0.3 3300 1370 30000 28000 36000
SSMR117 ZZ 7
11 2.5 3 0.15 0.1 455 201 43000 50000
SSMR137 ZZ 13 3 4 0.2 0.15 540 276 40000 48000
SS687 ZZ/2RZ/2RS 14 3.5 5 0.15 0.15 1170 510 40000 34000 45000
SS697 ZZ/2RZ/2RS 17 5 5 0.3 0.3 1610 710 36000 28000 43000
SS607 ZZ/2RZ/2RS 19 6 6 0.3 0.3 2340 885 36000 32000 43000
SS627 ZZ/2RZ/2RS 22 7 7 0.3 0.3 3300 1370 30000 28000 36000
SS637 ZZ/2RZ/2RS 26 9 9 0.3 0.3 4550 1970 28000 22000 34000
SSMR128 ZZ 8 12 2.5 3.5 0.15 0.1 545 274 40000 - 48000
SSMR148 ZZ/2RZ/2RS 14 3.5 4 0.2 0.15 820 385 38000 32000 45000
SS688A ZZ/2RZ/2RS 16 4 5 0.2 0.2 1610 710 36000 28000 43000
SS698 ZZ/2RZ/2RS 19 6 6 0.3 0.3 2240 910 36000 28000 43000
SS608 ZZ/2RZ/2RS 22 7 7 0.3 0.3 330 1370 34000 28000 40000
SS628 ZZ/2RZ/2RS 24 8 8 0.3 0.3 3350 1430 28000 24000 34000
SS638 ZZ/2RZ/2RS 28 9 9 0.3 0.3 4550 1970 28000 22000 34000
SS689 ZZ/2RZ/2RS 9 17 4 5 0.2 0.2 1330 665 36000 24000 43000
SS699 ZZ/2RZ/2RS 20 6 6 0.3 0.3 1720 840 34000 24000 40000
SS609 ZZ/2RZ/2RS 24 7 7 0.3 0.3 3350 1430 32000 24000 38000
SS629 ZZ/2RZ/2RS 26 8 8 0.6 0.6 4550 1970 2000 22000 34000
SS639 ZZ 30 10 10 0.6 0.6 5100 2390 24000 30000



Inquiry online

Phone & Fax

TL:0086-510-82736376-810

Fax:0086-510-82736370

Email

sales@bt-bearings.com

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