Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331161 BG/HA1

BT4B 331161 BG/HA1

Design

Design variant/feature

TQON/GW

Dimensions

d		317.5	mm
D		447.675	mm
B		327.025	mm
T		327.025	mm
d₁	≈	340	mm
D₁	≈	398	mm
r_1,2	min.	3.3	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4730	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

165

Model Number: BT4B 331161 BG/HA1
Inner Diameter：317.5mm 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, TQO design
Update date：2026-04-17
Application:glass,plastic rolling,equipment,engineering machinery,Material handling equipment,Textile Accessories,Storage Tool,non-ferrous metal alloy,ventilation fans,medical treatment,Industrial equipment
Similar models:BT4B 331161 AG/HA4 BT4B 331161 BG/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1213 EKTN9	65	120	23	Bearings, units and housings
15x30x7 HMS5 V	15	30	7	Seals
20x32x6 HMS5 V	20	32	6	Seals
BD-239/530 CAK/W33-OH 39/530 H	500	710	136	Bearings, units and housings
34861	88.9	111.15	9.53	Seals
468431	410	560	70	Bearings, units and housings
C 4130 V	150	250	100	Bearings, units and housings
GB 3026	-	-	54	Bearings, units and housings
PCZ 4440 E	69.85	74.6125	63.5	Bearings, units and housings
S7006 ACB/HCP4A	30	55	13	Bearings, units and housings
SAFS 23028 KA x 4.7/8	123.825	-	-	Bearings, units and housings
SSAFS 23034 KA x 6	152.4	-	-	Bearings, units and housings

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