Metric Standard

Miniature bearings are sometimes referred to as instrument bearings and are used in applications as varied as gyros, anemometers, flow meters, miniature gearboxes, small motors and radio controlled models. Miniature ball bearings can be open or shielded, which helps prevent dirt from entering and lubricant from leaking out, and unflanged or flanged for easier plate mounting. Some miniature ball bearing options feature extended inner rings to help fit certain locking devices when a press fit is not possible

FILTERS

ID

7 mm(19)

8 mm(11)
OD

11 mm(6)

13 mm(6)

14 mm(1)

17 mm(6)

22 mm(6)

24 mm(5)
Width

2.5 mm(2)

3 mm(6)

4 mm(4)

5 mm(7)

7 mm(6)

8 mm(5)
Static Load

1228 N(3)

1364 N(3)

2519 N(3)

2550 N(2)

2799 N(3)

2833 N(3)

348 N(3)

387 N(3)

414 N(3)

460 N(3)

897 N(1)

Part Number	Ring Material	ID	OD	Width	Shield Type	Dynamic Load	Static Load	Limited Speed(x1K rpm)
628zz	52100 Chrome Steel	8 mm	24 mm	8 mm	Shielded	2833 N	1138 N	28
S628 2rs	440C Stainless Steel	8 mm	24 mm	8 mm	Sealed	2550 N	1024 N	25.2
628 2rs	52100 Chrome Steel	8 mm	24 mm	8 mm	Sealed	2833 N	1138 N	28
S628	440C Stainless Steel	8 mm	24 mm	8 mm	Open	2550 N	1024 N	25.2
628	52100 Chrome Steel	8 mm	24 mm	8 mm	Open	2833 N	1138 N	28
S608zz	440C Stainless Steel	8 mm	22 mm	7 mm	Shielded	2519 N	993 N	30.6
608zz	52100 Chrome Steel	8 mm	22 mm	7 mm	Shielded	2799 N	1103 N	34
S608 2rs	440C Stainless Steel	8 mm	22 mm	7 mm	Sealed	2519 N	993 N	30.6
608 2rs	52100 Chrome Steel	8 mm	22 mm	7 mm	Sealed	2799 N	1103 N	34
608	52100 Chrome Steel	8 mm	22 mm	7 mm	Open	2799 N	1103 N	34
S608	440C Stainless Steel	8 mm	22 mm	7 mm	Open	2519 N	993 N	30.6
SMR137zz	440C Stainless Steel	7 mm	13 mm	4 mm	Shielded	414 N	199 N	36
MR137zz	52100 Chrome Steel	7 mm	13 mm	4 mm	Shielded	460 N	221 N	40
SMR137 2rs	440C Stainless Steel	7 mm	13 mm	4 mm	Sealed	414 N	199 N	36
MR137 2rs	52100 Chrome Steel	7 mm	13 mm	4 mm	Sealed	460 N	221 N	40
SMR137	440C Stainless Steel	7 mm	13 mm	3 mm	Open	414 N	199 N	36
MR137	52100 Chrome Steel	7 mm	13 mm	3 mm	Open	460 N	221 N	40
SMR117zz	440C Stainless Steel	7 mm	11 mm	3 mm	Shielded	348 N	146 N	38.7
MR117zz	52100 Chrome Steel	7 mm	11 mm	3 mm	Shielded	387 N	162 N	43
SMR117 2rs	440C Stainless Steel	7 mm	11 mm	3 mm	Sealed	348 N	146 N	38.7
SMR117	440C Stainless Steel	7 mm	11 mm	2.5 mm	Open	348 N	146 N	38.7
MR117 2rs	52100 Chrome Steel	7 mm	11 mm	3 mm	Sealed	387 N	162 N	43
MR117	52100 Chrome Steel	7 mm	11 mm	2.5 mm	Open	387 N	162 N	43
S697zz	440C Stainless Steel	7 mm	17 mm	5 mm	Shielded	1228 N	518 N	32.4
697zz	52100 Chrome Steel	7 mm	17 mm	5 mm	Shielded	1364 N	575 N	36
S697 2rs	440C Stainless Steel	7 mm	17 mm	5 mm	Sealed	1228 N	518 N	32.4
697 2rs	52100 Chrome Steel	7 mm	17 mm	5 mm	Sealed	1364 N	575 N	36
697	52100 Chrome Steel	7 mm	17 mm	5 mm	Open	1364 N	575 N	36
S697	440C Stainless Steel	7 mm	17 mm	5 mm	Open	1228 N	518 N	32.4
S687zz	440C Stainless Steel	7 mm	14 mm	5 mm	Shielded	897 N	369 N	36

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