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：2026-08-19
Application:other accessories,machine tool spindle,Generator,Equipment,Industry,noise reduction equipment,tapping machine,Beauty and Body,spring industry,set bacteria instrument,rolling mill roll neck and slowdown device
Similar models:C 3984 M 23984 CCK/W33 OH 3984 H BD-C 3984 KM-OH 3984 HE C 3984 KM 23984 CC/W33 BD-23984 CCK/W33-OH 3984 H OH 3984 HE 3984/3920 NUP 3984 ECMA
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Model No. Inner Diameter Outer Diameter Width Type

1120 VE R
18732
LS 1730
NCF 1880 V
NU 2218 ECJ

Purchase the SKF 3984/3920 Tapered roller bearings, single row Please fill in the following

Hot number： 130 VA V 403252 45 VA R 6017-RS1 7018 ACD/P4AH1 71900 CE/HCP4A BT2B 334004 FYC 509 MS 30/800-750 PCMW 426601.5 E SAF 22328 SONL 230-530 SSAFS 22526 x 4.3/8 TLC SYE 3 1/2 N-118 SYFWK 1.7/16 LTA

Model No.	Inner Diameter	Outer Diameter	Width	Type
1120 VE R
18732
LS 1730
NCF 1880 V
NU 2218 ECJ