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

BT4-8166 E81/C350

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		409.575	mm
D		546.1	mm
B		334.962	mm
T		334.962	mm
d₁	≈	433	mm
D₁	≈	494	mm
r_1,2	min.	1.5	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	5850	kN
Basic static load rating	C₀	12500	kN
Fatigue load limit	P_u	965	kN
Comparative radial load rating	C_F	1250	kN
Comparative axial load rating	C_Fa	241	kN
Thrust factor	K	1.47
Calculation factor	e	0.4
Calculation factor	Y₁	1.7
Calculation factor	Y₂	2.5
Calculation factor	Y₀	1.6

Mass

Mass bearing

215

Model Number: TQO design
Inner Diameter：409.575mm Outer Diameter：546.1mm 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：2026-04-16
Application:decoration machinery,EEG,Technical Equipment,other mold,Body shaping,agricultural testing and analysis equipment and related,trolley,Medical room equipment,instrumentation instrument,Rolling mill,Warehouse Shelf Equipment
Similar models:SNL 3244 SAF 23038 KATLC x 6.15/16 305272 DB C 2234 K 249/1180 CAK30F/W33 BD-23296 CAK/W33-OH 3296 H 7007 ACD/HCP4A PBMF 17019070 M1G1 PCMW 487402 M SAF 22538 x 7 TLC
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Model No.	Inner Diameter	Outer Diameter	Width	Type
215x270x23 HDS2 R	215	270	23	Seals
51330 M	150	250	80	Bearings, units and housings
55x100x8 CRW1 R	55	100	8	Seals
62205-2RS1	25	52	18	Bearings, units and housings
6412 N	60	150	35	Bearings, units and housings
750x780x18 HDS1 R	750	780	18	Seals
71952 ACD/HCP4AL	260	360	46	Bearings, units and housings
7409 BGM	45	120	29	Bearings, units and housings
860 VRME R	824	-	-	Seals
GEZH 204 ES-2RS	57.15	100.013	58.877	Bearings, units and housings
IR 20x25x17	20	25	17	Bearings, units and housings
N 034	27.2542	-	169.1386	Bearings, units and housings

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