Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQI design SKF 331807

331807

Design

Design variant/feature

TQI

Dimensions

d		347.662	mm
D		469.9	mm
B		280.194	mm
T		246.063	mm
d₁	≈	399	mm
D₁	≈	451	mm
r_1,2	min.	3.3	mm
r_3,4	min.	1.5	mm

Calculation data

Basic dynamic load rating	C	3580	kN
Basic static load rating	C₀	8500	kN
Fatigue load limit	P_u	710	kN
Comparative radial load rating	C_F	950	kN
Comparative axial load rating	C_Fa	153	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

135

Model Number: 331807
Inner Diameter：347.662mm Outer Diameter：469.9mm 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, TQI design
Update date：2025-12-09
Application:gantry processing,water protection,chemical raw materials and reagents,Liposuction device,Automation,test laboratory equipment and accessories,Industrial equipment,hydraulic cylinder,welding equipment,wheel lathe,Vacuum generator
Similar models:331807
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Model No.	Inner Diameter	Outer Diameter	Width	Type
17746	44.45	81	7.95	Seals
21x35x7 CRW1 V	21	35	7	Seals
43.1x59.4x14.3 TPM	42.52	59.79	-	Seals
NATV 25	25	52	24	Bearings, units and housings
NNCL 4830 CV	150	190	40	Bearings, units and housings
NU 306 ECJ	30	72	19	Bearings, units and housings
PCM 190195100 M	190	195	100	Bearings, units and housings
PRMF 808540	80	85	40	Bearings, units and housings
SAF 22507 x 1.1/8	28.575	-	-	Bearings, units and housings
SAF 22522 x 4 T	101.6	-	-	Bearings, units and housings
SAFS 22340 T	200	-	-	Bearings, units and housings
SYJ 40 TF	40	-	-	Bearings, units and housings

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