Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328977 BG/HA1VA901

BT4B 328977 BG/HA1VA901

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		660.4	mm
D		812.8	mm
B		365.125	mm
T		365.125	mm
d₁	≈	692	mm
D₁	≈	784	mm
r_1,2	min.	2	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	7210	kN
Basic static load rating	C₀	20400	kN
Fatigue load limit	P_u	1430	kN
Comparative radial load rating	C_F	1730	kN
Comparative axial load rating	C_Fa	284	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

395

Model Number: BT4B 328977 BG/HA1VA901
Inner Diameter：660.4mm Outer Diameter：812.8mm 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:Hair styling device,test strip,set bacteria instrument,tower crane,electromyography machine,education model Instruments,car shock absorber,Spectrum Products,lifting chain,Food testing,pipe fittings Steel industry
Similar models:BT4B 328977 BG/HA1VA901
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13 VA V	11.7	-	-	Seals
19754	50.8	63.55	6.35	Seals
22358	57.15	76.2	11.13	Seals
41x62x8 CRW1 R	41	62	8	Seals
51409	45	100	39	Bearings, units and housings
GE 120 TXG3A-2LS	120	180	85	Bearings, units and housings
HK 3038	30	37	38	Bearings, units and housings
KMK 17	18	-	85	Bearings, units and housings
NCF 2930 CV	150	210	36	Bearings, units and housings
PFT 1. FM	25.4	-	-	Bearings, units and housings
SAF 22513 x 2.1/4	57.15	-	-	Bearings, units and housings
W 628/5-2Z	5	11	4	Bearings, units and housings

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