Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 334048/HA1

BT4B 334048/HA1

Design

Design variant/feature

TQI

Dimensions

d		384.175	mm
D		546.1	mm
B		437.96	mm
T		384.175	mm
d₁	≈	455	mm
D₁	≈	520	mm
r_1,2	min.	6.4	mm
r_3,4	min.	1.5	mm

Calculation data

Basic dynamic load rating	C	6440	kN
Basic static load rating	C₀	16600	kN
Fatigue load limit	P_u	1290	kN
Comparative radial load rating	C_F	1730	kN
Comparative axial load rating	C_Fa	278	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

321

Model Number: BT4B 334048/HA1
Inner Diameter：384.175mm Outer Diameter：546.1mm 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：2026-04-16
Application:transportation equipment,lifting tackle,switch,special broaching machine,tire industry,other lathe,power tools,Wire grinder,PVC,Forklift industry,Garment Accessories
Similar models:BT4B 334048/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-230/670 CAK/W33-AOH 30/670	630	980	230	Bearings, units and housings
24120 CC/W33	100	165	65	Bearings, units and housings
305269 D	280	389.5	92	Bearings, units and housings
35x72x8 CRW1 V	35	72	8	Seals
52224	100	170	68	Bearings, units and housings
6011-2RS1	55	90	18	Bearings, units and housings
NU 307 ECM	35	80	21	Bearings, units and housings
PCM 150155100 M	150	155	100	Bearings, units and housings
SAF 1511 T	49.2125	-	-	Bearings, units and housings
SSAFS 22517 x 3	76.2	-	-	Bearings, units and housings
SSAFS 22526 x 4.3/8 T	111.125	-	-	Bearings, units and housings
STO 12 X	12	32	11.8	Bearings, units and housings

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Hot number： BD-22272 CAK/W33-OH 3172 H 305703 C-2Z 33x45x7 HMS5 RG 470571 680x740x30 HDS2 R 8649 7010 CD/P4A 99185 AOH 241/900 AXK 6590 KD10-304 NCF 1844 V PCM 121420 M SA 20 C SNL 3192 G