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

32/33M Series Double Row Angular Contact Ball Bearings

Double Row Angular Contact Ball Bearings

32/33M series use solid brass cages with back-to-back ball rows to take bidirectional axial loads and overturning moments — wind main shafts, pumps and slewing positions on construction machinery.

Category	Double Row Angular Contact 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: Equivalent to a pair of back-to-back single row angular contact bearings sharing an outer ring, they take bidirectional axial loads and overturning moments with simple installation and a com…

Main Specifications

Sample of common models (9 models in total — contact us for the full catalogue)

轴承Model		外形尺寸（mm）				额定载荷		Weight
Old No.	New No.	d	D	B	r	Cr	Cor	Weight
3056212M	3212M	60	110	36.5	1.5	83.5	72.5	1.55
3056213M	3213M	65	120	38.1	1.5	87.5	79.5	1.78
3056214M	3214M	70	125	39.7	1.5	90	80.5	1.9
3056215M	3215M	75	130	41.3	1.5	106	95.5	2.15
3056216M	3216M	80	140	44.4	2	112	106	2.7
3056217M	3217M	85	150	49.2	2	140	129	3.5
3056218M	3218M	90	160	52.4	2	153	142	4.18
3056219M	3219M	95	170	55.6	2.1	163	184	5.1
3056220M	3220M	100	180	60.3	2.1	210	240	6.14
3056221M	3221M	105	190	65.1	2.5	210	240	7.4

32/33M Series Double Row Angular Contact Ball Bearings

32/33M Series Double Row Angular Contact Ball Bearings

Main Specifications

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