Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4-8057 G/HA1VA901

BT4-8057 G/HA1VA901

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		304.8	mm
D		419.1	mm
B		269.875	mm
T		269.875	mm
d₁	≈	328	mm
D₁	≈	378	mm
r_1,2	min.	1	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	2920	kN
Basic static load rating	C₀	6700	kN
Fatigue load limit	P_u	570	kN
Comparative radial load rating	C_F	710	kN
Comparative axial load rating	C_Fa	110	kN
Thrust factor	K	1.85
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

105

Model Number: BT4-8057 G/HA1VA901
Inner Diameter：304.8mm Outer Diameter：419.1mm 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：2025-12-09
Application:thin metal materials,Cylinder Micro,hot and cold box,lifting upgrade,diagnostic test paper,Film machine,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Laser Devices,gantry processing,non-motor vehicle Electric car,equipment
Similar models:BT4-8057 G/HA1VA901
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1450 VL V	1315	-	-	Seals
18790/18720	50.8	85	17.462	Bearings, units and housings
19834	50.8	69.85	6.35	Seals
32938/DF	190	260	-	Bearings, units and housings
6316/HC5C3	80	170	39	Bearings, units and housings
ECY 211	-	-	-	Bearings, units and housings
FYJ 25 TF	25	-	-	Bearings, units and housings
G 12x19x3	12	19	3	Seals
PF 1. FM	25.4	-	-	Bearings, units and housings
SYWK 1.1/4 AYTA	31.75	-	-	Bearings, units and housings
SYWK 20 YTA	20	-	-	Bearings, units and housings
YAR 205-100-2RF/HV	25.4	52	34.1	Bearings, units and housings

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Hot number： 248/1500 CAFA/W20 31308/DF 332297 400x440x20 HDS1 R 40x65x12 HMSA10 V 470411 6308-2RZ 6915 89310 TN KRV 30 PPXA OH 3976 H OKC 110 PCMF 161812 E SNW 22x3.7/8 SYNT 45 LTF