Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 331168 B

BT4B 331168 B

Design

Design variant/feature

TQO/WI

Dimensions

d		269.875	mm
D		381	mm
B		282.575	mm
T		282.575	mm
d₁	≈	293	mm
D₁	≈	339	mm
r_1,2	min.	3.3	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	3080	kN
Basic static load rating	C₀	7500	kN
Fatigue load limit	P_u	655	kN
Comparative radial load rating	C_F	815	kN
Comparative axial load rating	C_Fa	132	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

105

Model Number: BT4B 331168 B
Inner Diameter：269.875mm Outer Diameter：381mm 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：2026-04-16
Application:Forming mold,Cylinder Type,Antenna Industry,Performance test,Laser Cutting,cleaning agent,fabric products,noise reduction equipment,printing equipment,medical equipment,Film machine
Similar models:BT4B 331168 B
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32x72x7 HMS5 V	32	72	7	Seals
6324/C3VL2071	120	260	55	Bearings, units and housings
86971	-	-	50	Seals
BT4B 328974 G/HA1VA901	482.6	615.95	-	Bearings, units and housings
FSAF 1615 x 2.1/2 TLC	63.5	-	-	Bearings, units and housings
K 17x21x10	17	21	10	Bearings, units and housings
NJ 217 ECJ	85	150	28	Bearings, units and housings
NJ 28/1000 ECMA/HB1	1000	1220	128	Bearings, units and housings
OKBS 86	86	-	-
SAFS 22230	150	-	-	Bearings, units and housings
SAFS 22518 x 3.1/4	82.55	-	-	Bearings, units and housings
SSAFS 22538 x 7 TLC	177.8	-	-	Bearings, units and housings

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