Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328524/HA1

BT4B 328524/HA1

Design

Design variant/feature

TQO/WI

Dimensions

d		500	mm
D		720	mm
B		400	mm
T		400	mm
d₁	≈	547	mm
D₁	≈	640	mm
r_1,2	min.	3	mm
r_3,4	min.	6	mm

Calculation data

Basic dynamic load rating	C	8250	kN
Basic static load rating	C₀	20400	kN
Fatigue load limit	P_u	1460	kN
Comparative radial load rating	C_F	2200	kN
Comparative axial load rating	C_Fa	373	kN
Thrust factor	K	1.69
Calculation factor	e	0.35
Calculation factor	Y₁	1.9
Calculation factor	Y₂	2.9
Calculation factor	Y₀	1.8

Mass

Mass bearing

550

Model Number: BT4B 328524/HA1
Inner Diameter：500mm Outer Diameter：720mm 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:roller lathe,bathroom facilities,Control,textile machinery,packaging materials,sanitation facilities,gear type,Air,medical equipment,heating fans,power tools
Similar models:BT4B 328524/HA1
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71918 ACE/P4A	90	125	18	Bearings, units and housings
7217 BECBY	85	150	28	Bearings, units and housings
FYR 3 11/16	93.6625	-	-	Bearings, units and housings
KMTA 28	32	-	140	Bearings, units and housings
NAO 15x28x13	15	28	13	Bearings, units and housings
PRM 505530	50	55	30	Bearings, units and housings
W 61900 R-2RZ	10	22	6	Bearings, units and housings

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Hot number： 1500 VA R BD-22256 CCK/W33-OH 3156 H 3310 ATN9 6024 MA 6219 N 7024 CE/HCP4AL1 71900 CE/HCP4AH 71915 CE/HCP4AL 7209 BEGAPH 9982 N 1009 KPHA/HC5SP NU 1021 ML PCM 101208 E PL 850 PSM 121620 A51