Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 332668/HA1

BT4B 332668/HA1

Design

Design variant/feature

TQIT

Dimensions

d		323.452	mm
D		447.675	mm
B		414.338	mm
T		323.85	mm
d₁	≈	389	mm
D₁	≈	420	mm
r_1,2	min.	6	mm
r_3,4	min.	1.5	mm

Tapered bore, taper 1:12

Calculation data

Basic dynamic load rating	C	4400	kN
Basic static load rating	C₀	10800	kN
Fatigue load limit	P_u	880	kN
Comparative radial load rating	C_F	1160	kN
Comparative axial load rating	C_Fa	193	kN
Thrust factor	K	1.74
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

200

Model Number: BT4B 332668/HA1
Inner Diameter：323.452mm Outer Diameter：447.675mm 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, TQI design
Update date：2026-06-24
Application:X-ray Equipment,casting embedding,Traffic Fire Protection Equipment Security equipment,machine lathe,cleaners,rehabilitation training equipment,tapered grinder,industrial equipment,electronic components,,food / grain / food equipment
Similar models:BT4B 332668/HA1
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Model No. Inner Diameter Outer Diameter Width Type

215 NR
4350565
D/W R133
D/W R156-2ZS
SSAFS 22518 x 3.1/4 T

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Hot number： 15677 1625240 BD-23156 CCK/W33-AOH 3156 G 249/1000 CA/W33 520x570x24 HS5 R 6230/C3VL2071 7205 BECBM 7310 BECAM D/W R8 R NJ 2224 ECM NK 50/35 TN PPM 151720 S7009 CB/HCP4A SAF 22618 W 628/7 R-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
215 NR
4350565
D/W R133
D/W R156-2ZS
SSAFS 22518 x 3.1/4 T