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

BT4-8137 G/HA1

SKF Explorer

Design

Design variant/feature

TQO/GWI

Dimensions

d		625	mm
D		815	mm
B		600	mm
T		600	mm
d₁	≈	656	mm
D₁	≈	756	mm
r_1,2	min.	3	mm
r_3,4	min.	6	mm

Calculation data

Basic dynamic load rating	C	13200	kN
Basic static load rating	C₀	31000	kN
Fatigue load limit	P_u	2120	kN
Comparative radial load rating	C_F	2850	kN
Comparative axial load rating	C_Fa	468	kN
Thrust factor	K	1.74
Calculation factor	e	0.33
Calculation factor	Y₁	2
Calculation factor	Y₂	3
Calculation factor	Y₀	2

Mass

Mass bearing

768

Model Number: TQO design
Inner Diameter：625mm Outer Diameter：815mm 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:Liposuction device,Air,Industrial,Machine tools,lifting equipment Hoisting hoist,Hydraulic Press,reducer,ignition system,surgical instruments,heating fans,Rolling mill gear box
Similar models:OH 31/630 H 7018 ACD/P4AL 30319 BD-23180 CAK/W33-AOH 3180 G LM 67048/010 7008 ACB/P4AL HA 318 E SAF 1313 TLC BD-BS2-2216-2RSK/VT143-H 316 E FSAF 22518 x 3.1/4 T
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Model No.	Inner Diameter	Outer Diameter	Width	Type
19786	50.8	68.99	9.53	Seals
31173	79.375	104.78	11.13	Seals
6002/HC5C3	15	32	9	Bearings, units and housings
6315-2Z/VA208	75	160	37	Bearings, units and housings
687/672	101.6	168.275	41.275	Bearings, units and housings
7224 CD/P4A	120	215	40	Bearings, units and housings
BS2-2315-2RSK/VT143	75	160	64	Bearings, units and housings
FY 25 LF	25	-	-	Bearings, units and housings
FYNT 65 F	65	-	-	Bearings, units and housings
FYTB 30 TR	30	-	-	Bearings, units and housings
MVR2-65	65	87	-	Seals
SNW 128x4.13/16	122.2375	180.3146	134.9502	Bearings, units and housings

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Hot number： 12334 1303 ETN9 42x67x10 HMS5 V 60x90x10 HMSA10 V 7217 BEP 80x95x10 HMS5 V AXK 100135 FSAF 1316 MVR1-17 NF 19/750 ECMB/HA1 S7013 ACE/P4A S71928 ACD/HCP4A SAF 22510 SAF 22626 x 4.1/2 T SAF 23034 KAT x 5.15/16