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

BT4-8170 E81/C550

SKF Explorer

Design

Design variant/feature

TQOSN/GWSI

Dimensions

d		431.8	mm
D		571.5	mm
B		336.55	mm
T		336.55	mm
d₁	≈	461	mm
D₁	≈	518	mm
r_1,2	min.	1.5	mm
r_3,4	min.	3.3	mm

Calculation data

Basic dynamic load rating	C	5850	kN
Basic static load rating	C₀	13400	kN
Fatigue load limit	P_u	1020	kN
Comparative radial load rating	C_F	1250	kN
Comparative axial load rating	C_Fa	265	kN
Thrust factor	K	1.34
Calculation factor	e	0.44
Calculation factor	Y₁	1.5
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.4

Mass

Mass bearing

237

Model Number: TQO design
Inner Diameter：431.8mm Outer Diameter：571.5mm 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:industry test,wheel lathe,medical treatment,test laboratory equipment and accessories,sanitation facilities,food / grain / food equipment,economic mold,Insect Capture,Power equipment,joint protection,baler
Similar models:608-Z BC4-8002/HA6 W 637/9-2ZS WS 81244 71906 CD/HCP4A GEZ 208 ES-2LS SAF 22622 T PCM 283220 M SNL 30/530 NNU 4176 M
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15x35x7 HMS5 RG	15	35	7	Seals
200x230x16 HDS1 R	200	230	15.87	Seals
2200565	558.8	609.6	22.23	Seals
23276 CAK/W33	380	680	240	Bearings, units and housings
36895	93.6752	130.2	11.13	Seals
32926/DF	130	180	-	Bearings, units and housings
50x65x8 HMS5 RG	50	65	8	Seals
71915 CB/HCP4AL	75	105	16	Bearings, units and housings
C 2216 V	80	140	33	Bearings, units and housings
NU 2032 ECMA	160	240	48	Bearings, units and housings
PCM 303425 E	30	34	25	Bearings, units and housings
SNW 7x1.3/16	30.1625	35	36.8046	Bearings, units and housings

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Hot number： 18000 18x47x6 HMSA10 RG 31320 X 6330 87907 81217 TN C 31/500 KM FYTWR 3/4 YTHR NJ 2312 ECN1ML NU 206 ECML OKF 160 PCM 9095100 M SAF 23044 KA x 7.13/16 W 61706 WS 81117