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

BT4-8121 E/C600

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		785	mm
D		1010	mm
B		600	mm
T		600	mm
d₁	≈	819	mm
D₁	≈	917	mm
r_1,2	min.	3	mm
r_3,4	min.	6	mm

Calculation data

Basic dynamic load rating	C	16600	kN
Basic static load rating	C₀	43000	kN
Fatigue load limit	P_u	2700	kN
Comparative radial load rating	C_F	3550	kN
Comparative axial load rating	C_Fa	797	kN
Thrust factor	K	1.28
Calculation factor	e	0.46
Calculation factor	Y₁	1.5
Calculation factor	Y₂	2.2
Calculation factor	Y₀	1.4

Mass

Mass bearing

1213

Model Number: TQO design
Inner Diameter：785mm Outer Diameter：1010mm 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:outdoor equipment,supporting facilities,Gripper Swing,Power equipment,Industrial,Oral Image,Gear grinding machine,beverage production,medical equipment,Control,hydraulic cylinder buffer
Similar models:71940 CD/HCP4A PBMF 8510040 M1G1 BSA 203 C 33281/33462 PBM 200220120 M1G1 NUP 226 ECM NJ 221 ECML 71916 ACD/P4A NJG 2318 VH GEZ 500 ES-2RS
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FY 20 WDW	20	-	-	Bearings, units and housings
FYJ 50 TF	50	-	-	Bearings, units and housings
HK 0509	5	9	9	Bearings, units and housings
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SAF 23034 KAT x 5.15/16	147.6375	-	-	Bearings, units and housings
SIL 12 C	12	-	10	Bearings, units and housings

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