Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 3984/3920

3984/3920

SKF Explorer

Dimension series

3900

Dimensions

d		66.675	mm
D		112.712	mm
T		30.162	mm
d₁	≈	87.9	mm
B		30.048	mm
C		23.812	mm
r_1,2	min.	3.5	mm
r_3,4	min.	3.3	mm
a		25.064	mm

Abutment dimensions

d_a	max.	75	mm
d_b	min.	80	mm
D_a	min.	96	mm
D_a	max.	101	mm
D_b	min.	105	mm
C_a	min.	4	mm
C_b	min.	6	mm
r_a	max.	3.5	mm
r_b	max.	3.3	mm

Calculation data

Basic dynamic load rating	C	152	kN
Basic static load rating	C₀	183	kN
Fatigue load limit	P_u	21.2	kN
Reference speed		4800	r/min
Limiting speed		5600	r/min
Calculation factor	e	0.4
Calculation factor	Y	1.5
Calculation factor	Y₀	0.8

Mass

Mass bearing

1.17

Model Number: 3984/3920
Inner Diameter：66.675mm Outer Diameter：112.712mm Width：30.162mm
Reference speed:5600 r/min Limiting speed:4800 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:ECG,trolley,stacker lift platform,air conditioning tools,Individual Wire,turret industry,hydraulic control element,Technical Equipment,engineering machinery,top industry,gas turbine
Similar models:23984 CC/W33 C 3984 KM BD-23984 CCK/W33-OH 3984 H NUP 3984 ECMA 23984 CCK/W33 3984/3920 OH 3984 H OH 3984 HE C 3984 M BD-C 3984 KM-OH 3984 HE
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