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：2025-12-09
Application:food testing,Ball screw,sawing machine,other mold,Perfusion device,Pneumatic Control Valves,generator,Industrial,electronic materials,industry test,Plastic molding
Similar models:BT4B 331168 B
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Model No.	Inner Diameter	Outer Diameter	Width	Type
130x160x12 HMS5 V	130	160	12	Seals
2000 VE R	1844	-	-	Seals
21245	53.975	79.38	11.13	Seals
25x37x6 HMS5 V	25	37	6	Seals
330x370x18 HDS2 V	330	370	18	Seals
401402	126	-	-	Seals
40x55x8 HMS5 V	40	55	8	Seals
40x68x8 HMS5 RG	40	68	8	Seals
6000-RSH	10	26	8	Bearings, units and housings
SAF 1517 x 2.7/8	73.025	-	-	Bearings, units and housings
SAF 22530 T	131.7625	-	-	Bearings, units and housings
XHCE 040/OK 120	120	318	-	Coupling systems

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Hot number： 13741 26299 294/600 EM 72x100x10 HMSA10 V 85999 FSNL 517 GEZ 112 ES-2RS NJ 2210 ECJ K 81124 TN NU 2210 ECML NU 316 ECM OH 32/500 H SAFS 23028 KATLC x 5 SNW 132x5.7/16 W 61812-2RS1