Product photo — see the table below for main specifications; non-standard designs welcome

Self-Aligning Ball Bearings

The spherical outer raceway gives excellent alignment, compensating shaft deflection and mounting error for long, less rigid, multi-bearing shafts — fan spindles, textile and food machinery.

Category	Self-Aligning Ball Bearings
Precision class	P0 / P6 / P5 (P4 for precision types)
Clearance group	C0 / C2 / C3 / C4 (by application)
Material	GCr15 high-carbon chromium steel / carburising steel (optional)
Heat treatment	Quenched & tempered, 58–64 HRC, dimensional stabilised
Standards	GB/T 307 / ISO 492 / JB-T (per product)

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Series note: A spherical outer raceway gives excellent alignment, compensating shaft deflection, mounting error and multi-bearing misalignment with low friction and high limiting speed. Open and sealed v…

Main Specifications

Sample of common models (18 models in total — contact us for the full catalogue)

轴承代号		外形尺寸(mm)				Load rating (kN)		Speed limit (r/min)		安装尺寸(mm)			计算系数
Cyl. bore	Taper bore	d	D	B	r_1,2 min	Cr	Cor	Grease	Oil	d_a min	D_a max	r_a max	e	Y₁	Y₂	Y₀
1206A	1206AK	30	62	16	1	15.6	4.65	10000	13000	35	57	1	0.25	2.5	3.9	2.5
1206ATN	1206AKTN	30	62	16	1	15.6	4.65	10000	13000	35	57	1	0.25	2.5	3.9	2.5
2206A	2206AK	30	62	20	1	23.8	6.58	9500	12000	35	57	1	0.33	1.9	3	2
2206ATN	2206AKTN	30	62	20	1	23.8	6.58	9500	12000	35	57	1	0.33	1.9	3	2
1306A	1306AK	30	72	19	1.1	21.3	7.75	9000	11000	36.5	65.5	1	0.25	2.5	3.9	2.5
1306ATN	1306AKTN	30	72	19	1.1	21.3	7.75	9000	11000	36.5	65.5	1	0.25	2.5	3.9	2.5
2306A	2306AK	30	72	27	1.1	31.7	8.82	8500	10000	36.5	65.5	1	0.44	1.4	2.9	1.4
2306ATN	2306AKTN	30	72	27	1.1	31.7	8.82	8500	10000	36.5	65.5	1	0.44	1.4	2.9	1.4
1207A	1207AK	35	72	17	1.1	18	6.23	9000	11000	41.5	65.5	1	0.23	2.7	4.2	2.8
1207ATN	1207AKTN	35	72	17	1.1	18	6.23	9000	11000	41.5	65.5	1	0.23	2.7	4.2	2.8

Self-Aligning Ball Bearings

Self-Aligning Ball Bearings

Main Specifications

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Self-Aligning Ball Bearings, Sealed Both Sides