Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331968 BG/HA1

BT4B 331968 BG/HA1

Design

Design variant/feature

TQON/GW

Dimensions

d		292.1	mm
D		422.275	mm
B		269.875	mm
T		269.875	mm
d₁	≈	324	mm
D₁	≈	379	mm
r_1,2	min.	6.4	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	3800	kN
Basic static load rating	C₀	8000	kN
Fatigue load limit	P_u	680	kN
Comparative radial load rating	C_F	930	kN
Comparative axial load rating	C_Fa	142	kN
Thrust factor	K	1.87
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

125

Model Number: BT4B 331968 BG/HA1
Inner Diameter：292.1mm Outer Diameter：422.275mm 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：2025-12-09
Application:chuck industry,Dental Equipment,sterilizers,plastic blow molding,Sensors,machine tool spindle,Antenna Potentials,Gear grinding machine,walking Food processing machinery and equipment,motorcycle,shoe-making machinery
Similar models:BT4B 331968 BG/HA1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
28x47x7 HMS5 V	28	47	7	Seals
35x72x12 HMSA10 RG	35	72	12	Seals
6212-2RS1/HC5C3WT	60	110	22	Bearings, units and housings
7004 ACD/HCP4AH	20	42	12	Bearings, units and housings
71820 CD/P4	100	125	13	Bearings, units and housings
91382	-	-	44	Seals
AH 2308	35	40	40	Bearings, units and housings
GE 50 CJ2	50	75	28	Bearings, units and housings
PSM 152230 A51	15	22	30	Bearings, units and housings
QJ 1060 N2MA	300	460	74	Bearings, units and housings
SILKAC 25 M	25	-	31	Bearings, units and housings
SNW 22x4	101.6	110	81.1784	Bearings, units and housings

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