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

BT4-8162 E81/C480

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		355.6	mm
D		482.6	mm
B		265.113	mm
T		269.875	mm
d₁	≈	383	mm
D₁	≈	435	mm
r_1,2	min.	1.5	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	4150	kN
Basic static load rating	C₀	8150	kN
Fatigue load limit	P_u	670	kN
Comparative radial load rating	C_F	865	kN
Comparative axial load rating	C_Fa	202	kN
Thrust factor	K	1.24
Calculation factor	e	0.46
Calculation factor	Y₁	1.5
Calculation factor	Y₂	2.2
Calculation factor	Y₀	1.4

Mass

Mass bearing

138

Model Number: TQO design
Inner Diameter：355.6mm Outer Diameter：482.6mm 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：2026-04-19
Application:Industrial,relay,diving equipment,car,sewage pump,industrial equipment,lathe,historical instruments,Equipment,medical equipment,food testing
Similar models:71906 ACD/P4A 62309-2RS1 BK 1012 RS 811/670 M 3201 A-2RS1 NA 4905 6019-2RS1 SAF 22622 x 3.3/4 NKX 70 61910-2RS1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
250 VL R	225	-	-	Seals
51103 V/HR22T2	17	30	9	Bearings, units and housings
6203/HR11QN	17	40	12	Bearings, units and housings
7200 BEP	10	30	9	Bearings, units and housings
7036 ACD/P4A	180	280	46	Bearings, units and housings
71245	180.975	219.08	15.88	Seals
99096	24.6126	28.702	18.2626	Seals
AOHX 3092 G	440	460	202	Bearings, units and housings
D/W R168 R	6.35	9.525	3.175	Bearings, units and housings
K 3x5x9 TN	3	5	9	Bearings, units and housings
SAF 1217 TLC	85	-	-	Bearings, units and housings
Z 302	15	-	5	Seals

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