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

BT4B 331747 E/C775

SKF Explorer

Design

Design variant/feature

TQON/GW

Dimensions

d		510	mm
D		655	mm
B		377	mm
T		379	mm
d₁	≈	539	mm
D₁	≈	602	mm
r_1,2	min.	1.5	mm
r_3,4	min.	6.4	mm

Calculation data

Basic dynamic load rating	C	7800	kN
Basic static load rating	C₀	19000	kN
Fatigue load limit	P_u	1370	kN
Comparative radial load rating	C_F	1660	kN
Comparative axial load rating	C_Fa	273	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

325

Model Number: TQO design
Inner Diameter：510mm Outer Diameter：655mm 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：2026-07-30
Application:Hydraulic Equipment,diagnostic test paper,hydraulic connector,trolley,Broadcasting System,air purification,generator,Optical detection,animal anatomy,Animal Tracking,Antenna Potentials
Similar models:NKS 70 232/800 CAF/W33 618/750 MA NU 228 ECML 23936 CCK/W33 PBM 7590100 M1G1 FSAF 22615 81215 TN 6000-2RSL 3203 A-2ZTN9/MT33
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Model No. Inner Diameter Outer Diameter Width Type

1220 K + H 220
17558
35 VS R
K 52x57x12
NU 2236 ECM

Purchase the SKF TQO design Four-row tapered roller bearings, TQO design Please fill in the following

Hot number： 1309 ETN9 19433 BD-239/850 CAK/W33-OH 39/850 H 25x62x8 HMS5 RG 400604 4215 ATN9 6019-2RS1 85491 90x110x7.50 HMSA7P2 R NKS 70 NU 1018 M S7014 ACE/HCP4A SAF 23056 KA x 10 SSAFS 22220 T SSAFS 22224 TLC

Model No.	Inner Diameter	Outer Diameter	Width	Type
1220 K + H 220
17558
35 VS R
K 52x57x12
NU 2236 ECM