Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 330742 A/HA4

BT4B 330742 A/HA4

Design

Design variant/feature

TQO.1/GWI

Dimensions

d		863.6	mm
D		1219.1	mm
B		876.3	mm
T		889	mm
d₁	≈	935	mm
D₁	≈	1080	mm
r_1,2	min.	4.8	mm
r_3,4	min.	12.7	mm

Calculation data

Basic dynamic load rating	C	28100	kN
Basic static load rating	C₀	81500	kN
Fatigue load limit	P_u	4750	kN
Comparative radial load rating	C_F	7500	kN
Comparative axial load rating	C_Fa	1230	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

3470

Model Number: BT4B 330742 A/HA4
Inner Diameter：863.6mm Outer Diameter：1219.1mm 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, TQO design
Update date：2024-12-13
Application:container finishing,joint protection,spring industry,Spectrum Products,rolling machine,defogging and degreasing,ventilator anesthesia machine etc,reducer,stirrer,medical equipment,turret industry
Similar models:BT4B 330742 A/HA4
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Model No.	Inner Diameter	Outer Diameter	Width	Type
2205 E-2RS1TN9	25	52	18	Bearings, units and housings
2306	30	72	27	Bearings, units and housings
332096	482.6	615.95	-	Bearings, units and housings
523587	330.2	-	-	Seals
6005-Z	25	47	12	Bearings, units and housings
70/500 BM	500	720	100	Bearings, units and housings
7007 CD/P4AH	35	62	14	Bearings, units and housings
90785	-	-	50	Seals
N 1012 KTNHA/SP	60	95	18	Bearings, units and housings
PSMF 101610 A51	10	16	10	Bearings, units and housings
S71910 ACD/P4A	50	72	12	Bearings, units and housings
SIKB 6 F	6	-	9	Bearings, units and housings

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