Yoke type track roller with inner ring STO40-X-2Z-B

Designation	Dimension	Remark
F_w	80.00 mm	enveloping circle
d	50.00 mm	shaft diameter
D	0.53 mm	outer diameter
D₁	22.00 mm	connection dimension
B	21.80 mm	width
C	40.00 mm	width outer ring
r_min.	58.00 mm	min. edge distance
r_{1 min.}	1.00 mm	min. edge distance

Designation	Dimension	Remark
C_r	23,700 N	dynamic load rating, radial
C_0r	39,500 N	static load rating, radial
n_G	850 min^-1	limit speed
	0.530 kg	Weight

Designation	Dimension						Performance data
	d	D	B	C	E	r_1min	C_r	C_0r	n_G
	mm	mm	mm	mm	mm	mm	N	N	min^-1
STO6-X-TV-2Z-B	10.00	0.02	11.80	6.00	-	13.00	3,750	4,550	10,000
STO8-X-TV-2Z-B	12.00	0.03	11.80	8.00	-	15.00	4,200	5,500	8,000
STO10-X-2Z-B	14.00	0.05	13.80	10.00	-	20.00	8,400	9,300	5,500
STO12-X-2Z-B	16.00	0.06	13.80	12.00	-	22.00	9,000	10,300	4,500
STO15-X-2Z-B	20.00	0.06	13.80	15.00	-	26.00	9,100	10,900	3,300
STO17-X-2Z-B	22.00	0.11	17.80	17.00	-	29.00	14,200	17,900	2,800
STO20-X-2Z-B	25.00	0.15	17.80	20.00	-	32.00	16,100	21,700	2,400
STO25-X-2Z-B	30.00	0.18	17.80	25.00	-	37.00	16,400	23,200	1,800
STO30-X-2Z-B	38.00	0.31	21.80	30.00	-	46.00	23,100	35,000	1,300
STO35-X-2Z-B	42.00	0.44	21.80	35.00	-	50.00	25,000	40,500	1,100
STO40-X-2Z-B	50.00	0.53	21.80	40.00	-	58.00	23,700	39,500	850
STO45-X-2Z-B	55.00	0.58	21.80	45.00	-	63.00	25,000	43,500	750
STO50-X-2Z-B	60.00	0.62	21.80	50.00	-	68.00	25,500	46,000	650

Designation	Dimension						Performance data
	d	D	B	C	E	r_1min	C_r	C_0r	n_G
	mm	mm	mm	mm	mm	mm	N	N	min^-1
STO40	40.00	80.00	20.00	19.80	58.00	1.00	23,700	39,500	850
SSTO40	40.00	80.00	20.00	19.80	58.00	1.00	23,700	39,500	850
STO40-X	40.00	80.00	22.00	21.80	58.00	1.00	23,700	39,500	850
STO40-2Z	40.00	80.00	24.00	21.80	58.00	1.00	23,700	39,500	850
SSTO40-X	40.00	80.00	22.00	21.80	58.00	1.00	23,700	39,500	850
SSTO40-2Z	40.00	80.00	22.00	21.80	58.00	1.00	23,700	39,500	850
STO40-X-2Z	40.00	80.00	24.00	21.80	58.00	1.00	23,700	39,500	850
SSTO40-X-2Z	40.00	80.00	22.00	21.80	58.00	1.00	23,700	39,500	850
SSTO40-2Z-UG	40.00	80.00	22.00	21.80	58.00	1.00	23,700	39,500	850
SSTO40-X-2Z-UG	40.00	80.00	22.00	21.80	58.00	1.00	23,700	39,500	850
STO40-B	50.00	0.53	19.80	40.00	-	58.00	23,700	39,500	850
STO40-X-B	50.00	0.53	21.80	40.00	-	58.00	23,700	39,500	850
STO40-2Z-B	50.00	0.53	21.80	40.00	-	58.00	23,700	39,500	850
STO40-X-2Z-B	50.00	0.53	21.80	40.00	-	58.00	23,700	39,500	850

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Name	Brand	Webshop	Notice
STO40-X-2Z-B	HFH		Premium quality, house brand

Properties	Suffix	Description
Outer surface (Bearing)	X	cylindrical
Axial guide	-	no
Lubricant	-	NLGI grade 3 lithium complex soap grease

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