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

BT4-8163 E81/C725

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		482.6	mm
D		615.95	mm
B		330.2	mm
T		330.2	mm
d₁	≈	508	mm
D₁	≈	574	mm
r_1,2	min.	1	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	6300	kN
Basic static load rating	C₀	14300	kN
Fatigue load limit	P_u	1080	kN
Comparative radial load rating	C_F	1340	kN
Comparative axial load rating	C_Fa	222	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

235

Model Number: TQO design
Inner Diameter：482.6mm Outer Diameter：615.95mm 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：2026-04-17
Application:Film machine,medical equipment,education model Instruments,Machine Tool Accessories,rock drilling machinery,pump accessories,oral medical device,aerial work platform,hydraulic pump,Perfusion device,Oral Image
Similar models:SIJ 12 E SNW 134x5.7/8 SA 70 ESX-2LS SAF 23044 KA x 7.15/16 HK 2212 2206 E-2RS1TN9 NU 2230 ECM 7006 CE/P4A 6012-RZ 7022 CE/HCP4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
239/850 CA/W33	850	1120	200	Bearings, units and housings
30x47x7 CRW1 R	30	47	7	Seals
624/HR11QN	4	13	5	Bearings, units and housings
65x95x10 HMSA10 RG	65	95	10	Seals
IR 12X16X12 IS1	12	16	12	Bearings, units and housings
KRVE 30 PPA	-	30	40	Bearings, units and housings
NCF 3005 CV	25	47	16	Bearings, units and housings
NU 326 ECJ	130	280	58	Bearings, units and housings
QJ 1268 MA/344524	340	620	118	Bearings, units and housings
SAW 23238 TLC	190	-	-	Bearings, units and housings
SNL 3144 ATURA	200	-	-	Bearings, units and housings
ZW 17x24	17	24	2	Seals

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Hot number： 120 VS R 19264 22334 CCJA/W33VA405 316639 AG 61804 690x730x20 HDS1 R 7096 BM 85123 BT2B 328705/HA1 G 9x13x3 GS 81164 PBM 708590 M1G1 PCZ 4032 E SAF 1620 x 3.1/2 SAW 23524 x 4