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

2 mm(1)

2.5 mm(24)

3 mm(5)
OD

6 mm(6)

7 mm(7)

8 mm(12)

9 mm(5)
Width

1.8 mm(2)

2.5 mm(8)

2.6 mm(4)

2.8 mm(2)

3 mm(3)

3.5 mm(4)

4 mm(4)

5 mm(3)
Static Load

160 N(3)

178 N(3)

207 N(3)

230 N(2)

295 N(3)

328 N(4)

422 N(3)

427 N(3)

469 N(3)

474 N(3)

Part Number	Ring Material	ID	OD	Width	Shield Type	Dynamic Load	Static Load	Limited Speed(x1K rpm)
S603zz	440C Stainless Steel	3 mm	9 mm	5 mm	Shielded	207 N	136 N	50.4
603 2rs	52100 Chrome Steel	3 mm	9 mm	5 mm	Sealed	230 N	151 N	56
S603 2rs	440C Stainless Steel	3 mm	9 mm	5 mm	Sealed	207 N	136 N	50.4
603	52100 Chrome Steel	3 mm	9 mm	3 mm	Open	230 N	151 N	56
S603	440C Stainless Steel	3 mm	9 mm	3 mm	Open	207 N	136 N	50.4
MR82xzz	52100 Chrome Steel	2.5 mm	8 mm	2.5 mm	Shielded	474 N	144 N	60
SMR82xzz	440C Stainless Steel	2.5 mm	8 mm	2.5 mm	Shielded	427 N	130 N	54
MR82x 2rs	52100 Chrome Steel	2.5 mm	8 mm	2.5 mm	Sealed	474 N	144 N	60
SMR82x 2rs	440C Stainless Steel	2.5 mm	8 mm	2.5 mm	Sealed	427 N	130 N	54
MR82x	52100 Chrome Steel	2.5 mm	8 mm	2.5 mm	Open	474 N	144 N	60
SMR82x	440C Stainless Steel	2.5 mm	8 mm	2.5 mm	Open	427 N	130 N	54
692xzz	52100 Chrome Steel	2.5 mm	7 mm	3.5 mm	Shielded	328 N	103 N	63
S692xzz	440C Stainless Steel	2.5 mm	7 mm	3.5 mm	Shielded	295 N	93 N	56.7
692x 2rs	52100 Chrome Steel	2.5 mm	7 mm	3.5 mm	Sealed	328 N	103 N	63
S692x 2rs	440C Stainless Steel	2.5 mm	7 mm	3.5 mm	Sealed	295 N	93 N	56.7
692x	52100 Chrome Steel	2.5 mm	7 mm	2.5 mm	Open	328 N	103 N	63
S692x	440C Stainless Steel	2.5 mm	7 mm	2.5 mm	Open	295 N	93 N	56.7
682xzz	52100 Chrome Steel	2.5 mm	6 mm	2.6 mm	Shielded	178 N	59 N	71
S682xzz	440C Stainless Steel	2.5 mm	6 mm	2.6 mm	Shielded	160 N	53 N	63.9
682x 2rs	52100 Chrome Steel	2.5 mm	6 mm	2.6 mm	Sealed	178 N	59 N	71
S682x 2rs	440C Stainless Steel	2.5 mm	6 mm	2.6 mm	Sealed	160 N	53 N	63.9
682x	52100 Chrome Steel	2.5 mm	6 mm	1.8 mm	Open	178 N	59 N	71
S682x	440C Stainless Steel	2.5 mm	6 mm	1.8 mm	Open	160 N	53 N	63.9
602xzz	52100 Chrome Steel	2.5 mm	8 mm	4 mm	Shielded	469 N	142 N	60
S602xzz	440C Stainless Steel	2.5 mm	8 mm	4 mm	Shielded	422 N	128 N	54
602x 2rs	52100 Chrome Steel	2.5 mm	8 mm	4 mm	Sealed	469 N	142 N	60
S602x 2rs	440C Stainless Steel	2.5 mm	8 mm	4 mm	Sealed	422 N	128 N	54
602x	52100 Chrome Steel	2.5 mm	8 mm	2.8 mm	Open	469 N	142 N	60
S602x	440C Stainless Steel	2.5 mm	8 mm	2.8 mm	Open	422 N	128 N	54
MR72zz	52100 Chrome Steel	2 mm	7 mm	3 mm	Shielded	328 N	103 N	65

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