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：2026-04-16
Application:car shock absorber,extruder,construction machinery and equipment,Automation,Vertical pull,gear grinding machine,gantry processing,hanging clamp,forming machine,casting embedding,Digital Generator
Similar models:331807
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Model No.	Inner Diameter	Outer Diameter	Width	Type
2050212	520.7	558.8	19.05	Seals
22207 E	35	72	23	Bearings, units and housings
3807	9.525	28.55	9.53	Seals
60x90x8 HMSA10 V	60	90	8	Seals
BT4B 332824/HA1	395	545	-	Bearings, units and housings
D/W R3A	4.762	15.875	4.978	Bearings, units and housings
FSAF 22520	87.3125	-	-	Bearings, units and housings
NU 310 ECML	50	110	27	Bearings, units and housings
PCM 161812 E	16	18	12	Bearings, units and housings
PFT 1. TR	25.4	-	-	Bearings, units and housings
PSM 061208 A51	6	12	8	Bearings, units and housings
S71912 ACE/HCP4A	60	85	13	Bearings, units and housings

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