Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328912 E1/C300

BT4B 328912 E1/C300

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		355.6	mm
D		488.95	mm
B		317.5	mm
T		317.5	mm
d₁	≈	382	mm
D₁	≈	446	mm
r_1,2	min.	1	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	5100	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 E1/C300
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:die casting mold,Pest Monitoring,powder metallurgy,chemical raw materials and reagents,rehabilitation training equipment,Industrial Electromechanical,mathematical instruments,water,diving equipment,packaging machinery,medical treatment
Similar models:BT4B 328912 E1/C300 BT4B 328912 G/HA1VA901 BT4B 328912 E3/C675
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Model No.	Inner Diameter	Outer Diameter	Width	Type
314756	320	440	72	Bearings, units and housings
32034 X/DF	170	260	-	Bearings, units and housings
340x380x20 HS8 R	340	380	20	Seals
408503	814	-	-	Seals
FSAF 1613 T	55.5625	-	-	Bearings, units and housings
GEH 120 ES-2RS	120	210	70	Bearings, units and housings
NUP 29/530 ECMA	530	710	106	Bearings, units and housings
PBM 190210120 M1G1	190	210	120	Bearings, units and housings
S71920 ACE/HCP4A	100	140	20	Bearings, units and housings
SAF 22509 T	36.5125	-	-	Bearings, units and housings
SSAFS 22520 x 3.5/16 T	84.1375	-	-	Bearings, units and housings
SYJ 516	-	-	-	Bearings, units and housings

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