Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Double row tapered roller bearings -- Double row tapered roller bearings, TDO design SKF 331780 A

331780 A

Design

Design variant/feature

TDO/D

Dimensions

d		762	mm
D		965.2	mm
T		187.325	mm
C		133.35	mm
d₁	≈	853	mm
D₁	≈	924	mm
r_1,2	min.	6.4	mm
r_3,4	min.	1.5	mm
a		316	mm

Calculation data

Basic dynamic load rating	C	3580	kN
Basic static load rating	C₀	9800	kN
Fatigue load limit	P_u	670	kN
Calculation factor	e	0.4
Calculation factor	Y₁	1.7
Calculation factor	Y₂	2.5
Calculation factor	Y₀	1.6
Comparative radial load rating	C_F	865	kN
Comparative axial load rating	C_Fa	338	kN
Thrust factor	K	1.45

Mass

Mass bearing

290

Model Number: 331780 A
Inner Diameter：762mm Outer Diameter：965.2mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Double row tapered roller bearings
Details： Double row tapered roller bearings Double row tapered roller bearings, TDO design
Update date：2025-12-09
Application:hydraulic actuator,PVC,Hydraulic Hose,test strip,static control,comprehensive experiment,sample cup,EEG,Hydraulic Equipment,Vertical machining,Anesthetic Equipment
Similar models:331780 A
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130x160x12 CRW1 V	130	160	12	Seals
24954	63.5	85.62	11.13	Seals
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6004	20	42	12	Bearings, units and housings
BT4B 328838 BG/HA1VA901	406.4	546.1	-	Bearings, units and housings
K 24x28x13	24	28	13	Bearings, units and housings
PWM 657560	65	75	60	Bearings, units and housings
S71919 ACE/P4A	95	130	18	Bearings, units and housings
SYWR 3/4 YTHR	19.05	-	-	Bearings, units and housings
SNW 3124x4.1/4	107.95	120	87.7824	Bearings, units and housings
YARAG 210	50	90	51.6	Bearings, units and housings
W 619/8 R-2Z	8	19	6	Bearings, units and housings

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