Self-aligning Ball Bearing (Si3N4)

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Self-aligning ball bearing with Si₃N₄ ceramic balls. Compensates misalignment, electrically insulating, corrosion/heat resistant for harsh envir.

Key points covered:

Type: Self-aligning ball bearing (misalignment compensation)
Material: Hybrid construction with Si₃N₄ (Silicon Nitride) ceramic balls
Key Advantages:

Electrical insulation
Corrosion & chemical resistance
High-temperature capability
Reduced friction/wear
Suited for harsh environments (alignment tolerance critical)

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Inquiry	Tojo Number	Dimentions（mm)				Mounting Dimentions(mm)			Ref. Weight
		d	D	B	r(min）	da	Da	ra	(kg)
		d	D	B	r(min）	min	max	max	(kg)
	135	5	19	6	0.3	7	17	0.3	0.004
	126	6	19	6	0.3	8	17	0.3	0.004
	127	7	22	7	0.3	9	20	0.3	0.006
	108	8	22	7	0.3	10	20	0.3	0.006
	129	9	26	8	0.6	13	22	0.6	0.009
	1200	10	30	9	0.6	14	26	0.6	0.014
	2200	10	30	14	0.6	14	26	0.6	0.019
	1300	10	25	11	0.6	14	31	0.6	0.024
	2300	10	25	17	0.6	14	31	0.6	0.035
	1201	12	32	10	0.6	16	28	0.6	0.016
	2201	12	32	14	0.6	16	28	0.6	0.022
	1301	12	37	12	1	17	32	1	0.027
	2301	12	37	17	1	17	32	1	0.039
	1202	15	35	11	0.6	19	31	0.6	0.02
	2202	15	35	14	0.6	19	31	0.6	0.025
	1302	15	42	13	1	20	37	1	0.039
	2302	15	42	17	1	20	37	1	0.047
	1203	17	40	12	0.6	21	36	0.6	0.03
	2203	17	40	16	0.6	21	36	0.6	0.036
	1303	17	47	14	1	22	42	1	0.053
	2303	17	47	19	1	22	42	1	0.065
	1204	20	47	14	1	25	42	1	0.049
	2204	20	47	18	1	25	42	1	0.057
	1304	20	52	15	1.1	26.5	45.5	1	0.067
	1304	20	52	21	1.1	26.5	45.5	1	0.086
	1205	25	52	15	1	30	47	1	0.058
	2205	25	52	18	1	30	47	1	0.067
	1305	25	62	17	1.1	31.5	55.5	1	0.11
	2305	25	62	24	1.1	31.5	55.5	1	0.14
	1206	30	62	16	1	35	57	1	0.09
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