Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF BT4B 331809/HA1

BT4B 331809/HA1

Design

Design variant/feature

TQI

Dimensions

d		384.175	mm
D		546.1	mm
B		428.625	mm
T		384.175	mm
d₁	≈	458	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

300

Model Number: BT4B 331809/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：2025-12-09
Application:vacuum suction cup,Hydraulic Press,switch,teaching equipment,rehabilitation training equipment,journal lathe,air purification,packaging materials,instrument,lifting upgrade,impression material
Similar models:BT4B 331809/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15955	40.4876	61.9	7.95	Seals
20004	50.8	76.2	9.53	Seals
210x240x15 HMS5 RG	210	240	15	Seals
24932	63.5	85.09	11.13	Seals
33112	60	100	30	Bearings, units and housings
38x55x8 CRW1 V	38	55	8	Seals
52x65x8 HMS5 RG	52	65	8	Seals
57x67x7 HMS5 RG	57	67	7	Seals
6211-2RSH	55	100	21	Bearings, units and housings
7304 BE-2RZP	20	52	15	Bearings, units and housings
BT2B 332501 A/HA4	914.4	1066.8	-	Bearings, units and housings
GS 89415	75	160	17	Bearings, units and housings

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Hot number： 20004 23755 325 VL V 29492 EM 594/592 A 71920 ACD/HCP4A 7478 BD-BS2-2215-2RSK/VT143-H 315 E FYTB 30 TR K 14x18x17 K 62x70x40 ZW NNU 41/1400 M/W33 RN-2.5x15.8 BF/G2 SAF 1518 x 3.1/16 T SAW 23532 x 5.3/8