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：2026-04-16
Application:intermediate,pressure control valve,granulator,security equipment,Textile Accessories,plastic rolling,Polymer,other accessories,product accessories,relay,Infrared Technology
Similar models:BT4-8057 G/HA1VA901
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Model No.	Inner Diameter	Outer Diameter	Width	Type
305393	200	280	80	Bearings, units and housings
32x52x7 HMS5 V	32	52	7	Seals
90x115x12 HMSA10 V	90	115	12	Seals
AOHX 32/500 G	480	500	393	Bearings, units and housings
K 18x22x13	18	22	13	Bearings, units and housings
K 81148 M	240	300		Bearings, units and housings
OKC 690	690		-
PSM 607590 A51	60	75	90	Bearings, units and housings
SAF 22626 x 4.1/2	114.3	-	-	Bearings, units and housings
SAFS 22522 x 3.7/8 TLC	98.425	-	-	Bearings, units and housings
SSAFS 23052 KA x 9.1/2	241.3	-	-	Bearings, units and housings
YAT 205	25	52	27.2	Bearings, units and housings

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Hot number： BD-239/750 CAK/W33-OH 39/750 H 23996 CA/W33 26x47x7 HMS5 RG 331175 A 331607 B 46200 AOH 3048 FYAWK 1.1/2 LTHR HE 315 IR 40x45x17 NJ 2305 ECML NKS 43 SAF 22626 x 4.1/2 T SAF 23036 KA x 6.3/8 SNP 3092x17