Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328974 G/HA1VA901

BT4B 328974 G/HA1VA901

Design

Design variant/feature

TQOS/GWISI

Dimensions

d		482.6	mm
D		615.95	mm
B		402.05	mm
T		402.05	mm
d₁	≈	505	mm
D₁	≈	577	mm
r_1,2	min.	1	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	5610	kN
Basic static load rating	C₀	17300	kN
Fatigue load limit	P_u	1290	kN
Comparative radial load rating	C_F	1500	kN
Comparative axial load rating	C_Fa	243	kN
Thrust factor	K	1.76
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

290

Model Number: BT4B 328974 G/HA1VA901
Inner Diameter：482.6mm Outer Diameter：615.95mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Four-row tapered roller bearings
Details： Four-row tapered roller bearings Four-row tapered roller bearings, TQO design
Update date：2026-04-17
Application:Perfusion device,Logistics Equipment,rehabilitation training equipment,Other machinery,gas turbine,Special Equipment,Pneumatic Control Elements,key lock,other rubber,boring bar boring bar,extruder
Similar models:BT4B 328974 G/HA1VA901
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Model No.	Inner Diameter	Outer Diameter	Width	Type
17718	44.45	77.75	9.53	Seals
35080	88.9	126.97	11.13	Seals
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7009 CE/P4AH1	45	75	16	Bearings, units and housings
7206 ACD/HCP4A	30	62	16	Bearings, units and housings
99800	203.2	212.725	31.75	Seals
NU 20/560 ECMA	560	820	150	Bearings, units and housings
OH 3064 H	300	320	171	Bearings, units and housings
PFT 35 RM	35	-	-	Bearings, units and housings
PWM 657580	65	75	80	Bearings, units and housings
TUWK 505 L	-	-	-	Bearings, units and housings
W 626-2RS1	6	19	6	Bearings, units and housings

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