Electrically Insulated Ball Bearings

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Electrically Insulating

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27 Products

Electrically Insulating Ball Bearings

Protect bearings from stray currents. The ceramic balls insulate bearings from electrical charges in electric motors and power generators that can damage the inner ring over time. The balls also generate less heat than metal ones, so you don’t have to lubricate them as often to keep bearings running smoothly.

Shielded—The balls are covered just enough to keep out large particles while allowing air to pass through and dissipate heat.

Sealed—The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through.

Steel—Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust.

ABEC Rating—Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.

							Temp. Range, ° F			Ceramic Balls
	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	ABEC Rating	Dynamic Radial Load Cap., lb.	Max. Rotation Speed, rpm	Min.	Max.	Bearing Trade No.		Each
Shielded







				Steel

				17	40	12	1	2,100	25,500	-20	250	6203-2Z	1389N31	0000000


				20	47	14	1	2,850	22,500	-20	250	6204-2Z	1389N32	000000
				25	52	15	1	3,100	19,500	-20	250	6205-2Z	1389N33	000000
				30	62	16	1	4,350	16,500	-20	250	6206-2Z	1389N34	000000
				30	72	19	1	7,800	14,000	-20	245	6306-2Z	1389N55	000000
				35	72	17	1	5,750	13,500	-20	250	6207-2Z	1389N35	000000
				35	80	21	1	9,100	12,600	-20	245	6307-2Z	1389N56	000000
				40	80	18	1	6,500	12,000	-20	250	6208-2Z	1389N36	000000
				40	90	23	1	11,400	11,000	-20	245	6308-2Z	1389N57	000000
				45	85	19	1	8,400	11,800	-20	245	6209-2Z	1389N41	000000
				45	100	25	1	14,800	9,700	-20	245	6309-2Z	1389N58	000000


				50	90	20	1	9,600	10,800	-20	245	6210-2Z	1389N42	000000
				55	100	21	1	11,400	9,600	-20	245	6211-2Z	1389N43	000000


				Sealed







								Steel

								10	26	8	1	1,050	32,000	-40	210	6000-2RS	1389N11	000000


								12	28	8	1	1,200	30,000	-40	210	6001-2RS	1389N12	000000
								15	32	9	1	1,300	24,000	-40	210	6002-2RS	1389N13	000000
								15	35	11	1	1,800	22,000	-40	210	6202-2RS	1389N18	000000
								17	35	10	1	1,400	22,000	-40	210	6003-2RS	1389N14	000000
								17	40	12	1	2,200	20,000	-40	210	6203-2RS	1389N19	000000
								20	42	12	1	2,200	19,000	-40	210	6004-2RS	1389N15	000000
								20	47	14	1	3,000	17,000	-40	210	6204-2RS	1389N21	000000
								25	52	15	1	3,300	15,000	-40	210	6205-2RS	1389N22	000000
								30	55	13	1	3,100	16,000	-40	210	6006-2RZ	1389N16	000000
								30	62	16	1	4,550	15,000	-40	210	6206-2RZ	1389N23	000000


								35	72	17	1	6,050	13,000	-40	210	6207-2RZ	1389N24	000000
								40	68	15	1	4,000	12,000	-40	210	6008-2RZ	1389N17	000000
								40	80	18	1	7,300	11,000	-40	210	6208-2RZ	1389N25	000000