Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 15578/15520

15578/15520

SKF Explorer

Dimension series

15500

Dimensions

d		25.4	mm
D		57.15	mm
T		17.462	mm
d₁	≈	42.3	mm
B		17.462	mm
C		13.495	mm
r_1,2	min.	1.3	mm
r_3,4	min.	1.5	mm
a		12.21	mm

Abutment dimensions

d_a	max.	35	mm
d_b	min.	33	mm
D_a	min.	49	mm
D_a	max.	50	mm
D_b	min.	53	mm
C_a	min.	3	mm
C_b	min.	3.5	mm
r_a	max.	1.3	mm
r_b	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	49.1	kN
Basic static load rating	C₀	45.5	kN
Fatigue load limit	P_u	4.9	kN
Reference speed		10000	r/min
Limiting speed		12000	r/min
Calculation factor	e	0.35
Calculation factor	Y	1.7
Calculation factor	Y₀	0.9

Mass

Mass bearing

0.22

Model Number: 15578/15520
Inner Diameter：25.4mm Outer Diameter：57.15mm Width：17.462mm
Reference speed:12000 r/min Limiting speed:10000 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Single row tapered roller bearings
Details： Single row tapered roller bearings Tapered roller bearings, single row
Update date：2026-04-16
Application:flow control valve,Machine Tool Accessories,medical equipment,plastic molding,intermediate,impression material,product accessories,hydraulic actuator,Display Devices,Industrial,rubber products machinery and equipment
Similar models:15578/15520
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Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-22206 EK-H 306	25	62	20	Bearings, units and housings
24287	61.9252	85.09	9.53	Seals
25 VS R	22	-	-	Seals
407502	705	-	-	Seals
45x68x10 HMSA10 V	45	68	10	Seals
6001/HR11QN	12	28	8	Bearings, units and housings
6211 M	55	100	21	Bearings, units and housings
71924 ACE/P4AL	120	165	22	Bearings, units and housings
91350	-	-	44	Seals
BT4B 334022 E1/C725	510	655	-	Bearings, units and housings
FYT 1.3/8 TF/VA201	34.925	-	46.4	Bearings, units and housings
SAFS 23034 KATLC x 5.13/16	147.6375	-	-	Bearings, units and housings

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