Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328871 G/HA1VA901

BT4B 328871 G/HA1VA901

Design

Design variant/feature

TQOS/GWISI

Dimensions

d		609.6	mm
D		787.4	mm
B		361.95	mm
T		361.95	mm
d₁	≈	645	mm
D₁	≈	735	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	6820	kN
Basic static load rating	C₀	18600	kN
Fatigue load limit	P_u	1370	kN
Comparative radial load rating	C_F	1800	kN
Comparative axial load rating	C_Fa	323	kN
Thrust factor	K	1.58
Calculation factor	e	0.37
Calculation factor	Y₁	1.8
Calculation factor	Y₂	2.7
Calculation factor	Y₀	1.8

Mass

Mass bearing

430

Model Number: BT4B 328871 G/HA1VA901
Inner Diameter：609.6mm Outer Diameter：787.4mm 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:car and accessories,Pneumatic Actuator,marine analysis,electric hydraulic lifting platform,luminescent reagent,Other Machine Tools,boring bar boring bar,paint paint,Display Devices,embroidery cloth,rehabilitation training equipment
Similar models:BT4B 328871 G/HA1VA901 BT4B 328871 BG/HA1VA902
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1375380	349.25	393.7	19.05	Seals
6006 NR	30	55	13	Bearings, units and housings
604	4	12	4	Bearings, units and housings
K 80x88x46 ZW	80	88	46	Bearings, units and housings
MB 20	100	142	-	Bearings, units and housings
NJ 320 ECML	100	215	47	Bearings, units and housings
OH 30/600 H	560	600	289	Bearings, units and housings
PCM 606530 E	60	65	30	Bearings, units and housings
RIS 208 A	-	-	-	Bearings, units and housings
S71913 CD/HCP4A	65	90	13	Bearings, units and housings
SAFS 22544 x 7.7/8	200.025	-	-	Bearings, units and housings
W 61910-2RZ	50	72	12	Bearings, units and housings

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Hot number： 239/530 CA/W33 25x47x10 HMS5 RG 28841 40x68x8 HMS5 V 6301-RSL 7252 BM 99852 86971 NA 22/6.2RSX NJ 210 ECM S71905 CD/HCP4A SA 25 C SAW 23528 x 4.13/16 SSAFS 23038 KAT x 7 SYFWK 15/16 LTA