Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 332666/HA1

BT4B 332666/HA1

Design

Design variant/feature

TQOT

Dimensions

d		571.5	mm
D		812.8	mm
B		593.725	mm
T		593.725	mm
d₁	≈	622	mm
D₁	≈	720	mm
r_1,2	min.	3.3	mm
r_3,4	min.	6.4	mm

Tapered bore, taper 1:12

Calculation data

Basic dynamic load rating	C	13200	kN
Basic static load rating	C₀	36000	kN
Fatigue load limit	P_u	2400	kN
Comparative radial load rating	C_F	3550	kN
Comparative axial load rating	C_Fa	580	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

1105

Model Number: BT4B 332666/HA1
Inner Diameter：571.5mm 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：2026-08-24
Application:Hydraulic Equipment,organic raw materials,expectoration machine,medical equipment,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Processing machinery,ultra-quiet generators,Pneumatic Control Elements,Pneumatic Control Valves,motor,security
Similar models:BT4B 332666/HA1
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Model No. Inner Diameter Outer Diameter Width Type

26190
55x78x12 HMSA10 V
PPM 081010
SNL 3280 G
W 639/3-2RS1

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Hot number： 21x40x7 HMS5 RG 7014 ACB/P4A 7022 CD/P4AL 7209 BECBJ 76215 AXK 3552 BEAS 020052-2RS NJ 322 ECML NCF 3024 CV NU 226 ECP S7009 CE/HCP4A SSAFS 22640 x 7.1/8 T SYFWR 35 YTHR SYNT 65 LTF W 01

Model No.	Inner Diameter	Outer Diameter	Width	Type
26190
55x78x12 HMSA10 V
PPM 081010
SNL 3280 G
W 639/3-2RS1