Spherical roller bearings (divided) 231SM280-MA

Designation	Dimension	Remark
d	280.00 mm	shaft diameter
D	500.00 mm	outer diameter
B	160.00 mm	width
r_{1 min.}	5.00 mm	min. edge distance

Designation	Dimension	Remark
C_r	2,320,000 N	dynamic load rating, radial
C_0r	3,900,000 N	static load rating, radial
C_ur	265,000 N	fatigue limit load, radial
n_G	400 min^-1	limit speed
F_{a max.}	44,000 N	Maximum axial load
M_i	190.00 Nm	Tightening torque clamping screw (Inner ring)
M_a	120.00 Nm	Tightening torque clamping screw (Outer ring)
	160.000 kg	Weight

Designation	Dimension					Performance data
	d	D	B	C	r_min	C_r	C_0r	C_ur	F_{a max}	n_G	M_i	M_a
	mm	mm	mm	mm	mm	N	N	N	N	min^-1	Nm	Nm
231SM100-MA	100.00	180.00	56.00	90.00	2.00	310,000	430,000	40,000	7,600	1,100	14.00	4.00
231SM110-MA	110.00	200.00	62.00	102.00	2.00	390,000	570,000	39,000	14,000	1,000	35.00	8.00
231SM115-MA	115.00	210.00	64.00	104.00	2.00	490,000	710,000	49,500	7,600	900	14.00	4.00
231SM125-MA	125.00	225.00	68.00	110.00	2.10	510,000	750,000	51,000	13,800	850	35.00	8.50
231SM135-MA	135.00	250.00	80.00	123.00	2.10	570,000	850,000	5,700	22,200	800	69.00	14.00
231SM140-MA	140.00	270.00	86.00	135.00	2.10	710,000	1,040,000	87,000	21,700	700	69.00	12.40
231SM150-MA	150.00	280.00	88.00	133.00	2.10	710,000	1,040,000	87,000	22,200	700	69.00	35.00
231SM160-MA	160.00	300.00	96.00	140.00	2.10	830,000	1,220,000	100,000	22,200	670	69.00	35.00
231SM170-MA	170.00	320.00	104.00	142.00	2.10	915,000	1,430,000	114,000	22,200	630	69.00	35.00
231SM180-MA	180.00	340.00	112.00	160.00	3.00	1,020,000	1,530,000	119,000	22,200	600	69.00	35.00
231SM200-MA	200.00	370.00	120.00	175.00	4.00	1,320,000	2,040,000	151,000	32,000	530	120.00	69.00
231SM220-MA	220.00	400.00	128.00	190.00	4.00	1,630,000	2,600,000	191,000	32,000	480	120.00	69.00
231SM240-MA	240.00	440.00	144.00	210.00	4.00	1,860,000	3,050,000	218,000	32,000	450	120.00	69.00
231SM260-MA	260.00	460.00	146.00	190.00	5.00	2,280,000	3,800,000	255,000	32,000	400	120.00	35.00
231SM280-MA	280.00	500.00	160.00	218.00	5.00	2,320,000	3,900,000	265,000	44,000	400	190.00	120.00
231SM300-MA	300.00	540.00	176.00	225.00	5.00	2,750,000	4,750,000	305,000	60,000	360	295.00	120.00
231SM320-MA	320.00	580.00	190.00	258.00	5.00	3,100,000	5,200,000	325,000	60,000	340	295.00	190.00
231SM340-MA	340.00	600.00	192.00	270.00	5.00	3,900,000	6,800,000	410,000	60,000	300	295.00	70.00
231SM360-MA	360.00	620.00	194.00	270.00	5.00	3,900,000	6,950,000	420,000	60,000	300	295.00	69.00
231SM380-MA	380.00	650.00	200.00	270.00	6.00	4,050,000	7,200,000	440,000	60,000	300	295.00	120.00
231SM400-MA	400.00	700.00	224.00	285.00	6.00	4,400,000	7,650,000	480,000	60,000	280	295.00	190.00
231SM410-MA	410.00	720.00	226.00	315.00	6.00	5,400,000	9,700,000	580,000	60,500	295	295.00	120.00
231SM430-MA	430.00	760.00	240.00	344.00	6.00	5,500,000	10,400,000	610,000	94,000	280	580.00	190.00

Designation	Dimension					Performance data
	d	D	B	C	r_min	C_r	C_0r	C_ur	F_{a max}	n_G	M_i	M_a
	mm	mm	mm	mm	mm	N	N	N	N	min^-1	Nm	Nm
231SM280-MA	280.00	500.00	160.00	218.00	5.00	2,320,000	3,900,000	265,000	44,000	400	190.00	120.00

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Name	Brand	Webshop	Notice
231SM280-MA	HFH		Premium quality, house brand

Properties	Suffix	Description
Cage design	MA	Solid brass cage

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