Hightemperature ball bearing 6311-2Z/VA228 Temperature application range up to max. 350 °C

Hightemperature ball bearing 6311-2Z/VA228

Designation	Dimension	Remark
d	55.00 mm	shaft diameter
D	120.00 mm	outer diameter
B	29.00 mm	width
r_{1 min.}	2.00 mm	min. edge distance
r_{2 min.}	2.00 mm	min. edge distance
d_{a min.}	66.00 mm	diameter of the shaft contact surface
D_{a max.}	109.00 mm	Diameter of the contact surface in the housing
r_{a max.}	2.00 mm	rounding radius

Designation	Dimension	Remark
C_r	74,100 N	dynamic load rating, radial
C_0r	45,000 N	static load rating, radial
CN_min.	0.230 mm	min. radial internal clearance
CN_max.	0.340 mm	max. radial internal clearance
n_G	100 min^-1	limit speed
	350 °C	max. operating temperature
	1.400 kg	Weight

Designation	Dimension							Performance data
	d	D	B	r_{1,2 min}	da_min	Da_max	r_{a max}	C_r	C_0r	n_G
	mm	mm	mm	mm	mm	mm	mm	N	N	min^-1	°C
6303-2Z/VA228	17.00	47.00	14.00	0.60	22.60	41.40	0.60	14,300	6,550	280	350	-
6304-2Z/VA228	20.00	52.00	15.00	1.00	25.00	42.00	1.00	16,800	7,800	250	350	-
6305-2Z/VA228	25.00	62.00	17.00	1.10	31.50	55.50	1.00	23,400	11,600	200	350	-
6306-2Z/VA228	30.00	72.00	19.00	1.10	36.50	65.50	1.00	29,600	16,000	170	350	-
6308-2Z/VA228	40.00	90.00	23.00	1.50	48.00	82.00	1.50	42,300	24,000	130	350	-
6310-2Z/VA228	50.00	110.00	27.00	2.00	59.00	101.00	2.00	65,000	38,000	110	350	-
6311-2Z/VA228	55.00	120.00	29.00	2.00	66.00	109.00	2.00	74,100	45,000	100	350	-
6312-2Z/VA228	60.00	130.00	31.00	2.10	71.00	119.00	2.00	85,200	52,000	90	350	-
6313-2Z/VA228	65.00	140.00	33.00	2.10	76.00	129.00	2.00	97,500	60,000	80	350	-

Designation	Dimension							Performance data
	d	D	B	r_{1,2 min}	da_min	Da_max	r_{a max}	C_r	C_0r	n_G
	mm	mm	mm	mm	mm	mm	mm	N	N	min^-1	°C
6311/VA201	55.00	120.00	29.00	2.00	66.00	109.00	2.00	74,100	45,000	50	250	x
6311-2Z/VA201	55.00	120.00	29.00	2.00	66.00	109.00	2.00	74,100	45,000	50	250	x
6311-2Z/VA208	55.00	120.00	29.00	2.00	66.00	109.00	2.00	74,100	45,000	50	350	-
6311-2Z/VA228	55.00	120.00	29.00	2.00	66.00	109.00	2.00	74,100	45,000	100	350	-

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Name	Brand	Webshop	Notice
6311-2Z/VA228	HFH		Premium quality, house brand
6311-2Z/VA228	DIV		cheap alternative

Properties	Suffix	Description
Sealing	2Z	Double side cover plate
Operating temperature	VA228	max. 350 °C
Bearing play	-	Radial internal clearance quadruple C5 (ISO 5753-1:2009 or DIN 620-4:2004)

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