Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328912 G/HA1VA901

BT4B 328912 G/HA1VA901

Design

Design variant/feature

TQOS/GWISI

Dimensions

d		355.6	mm
D		488.95	mm
B		317.5	mm
T		317.5	mm
d₁	≈	382	mm
D₁	≈	448	mm
r_1,2	min.	1	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4130	kN
Basic static load rating	C₀	10000	kN
Fatigue load limit	P_u	830	kN
Comparative radial load rating	C_F	1080	kN
Comparative axial load rating	C_Fa	177	kN
Thrust factor	K	1.75
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

170

Model Number: BT4B 328912 G/HA1VA901
Inner Diameter：355.6mm Outer Diameter：488.95mm 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：2025-12-09
Application:Solenoid Valves,Doppler,flexible processing,hydraulic cylinder buffer,marine analysis,van,coupling type,Beauty and Body,clean stationery,marine analysis and testing equipment,mathematical instruments
Similar models:BT4B 328912 E3/C675 BT4B 328912 G/HA1VA901 BT4B 328912 E1/C300
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Model No.	Inner Diameter	Outer Diameter	Width	Type
30x52x9 CRSH1 R	30	52	9	Seals
50x72x10 HMSA10 RG	50	72	10	Seals
63.2x83.1x19.3 TP	63.14	83.74	-	Seals
71917 CD/P4AL	85	120	18	Bearings, units and housings
7215 BECBY	75	130	25	Bearings, units and housings
NKX 17 Z	17	26	25	Bearings, units and housings
PCMW 203601.5 E	20	36	-	Bearings, units and housings
PFT 1. TR	25.4	-	-	Bearings, units and housings
RMS 7	22.225	57.15	17.462	Bearings, units and housings
SAF 23052 KAT x 9.1/2	241.3	-	-	Bearings, units and housings
SNLN 3032	160	-	-	Bearings, units and housings
SSAFS 22544 x 7.1/2 T	190.5	-	-	Bearings, units and housings

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Hot number： 12364 3310 A-2Z 6303/HR11QN 70x90x10 CRWHA1 P 90x110x7.50 HMSA7P2 R BMO-6205/048S2/UA008A BD-C 3068 KM-OH 3068 H M 88043/010 NJ 220 ECM OKBS 60 PWM 140155180 S71919 CD/P4A SNL 516 TURU SSAFS 23056 KAT x 9.15/16 W 607-2Z