Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 3307 A-2ZTN9/MT33

3307 A-2ZTN9/MT33

SKF Explorer

Dimensions

d		35	mm
D		80	mm
B		34.9	mm
d₂	≈	44.6	mm
D₂	≈	70.5	mm
r_1,2	min.	1.5	mm
a		47	mm

Abutment dimensions

d_a	min.	44	mm
d_a	max.	44.5	mm
D_a	max.	71	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	52	kN
Basic static load rating	C₀	35.5	kN
Fatigue load limit	P_u	1.5	kN
Reference speed		8500	r/min
Limiting speed		8500	r/min
Calculation factor	k_r	0.07
Calculation factor	e	0.8
Calculation factor	X	0.63
Calculation factor	Y₀	0.66
Calculation factor	Y₁	0.78
Calculation factor	Y₂	1.24

Mass

Mass bearing

0.73

Model Number: 3307 A-2ZTN9/MT33
Inner Diameter：35mm Outer Diameter：80mm Width：34.9mm
Reference speed:8500 r/min Limiting speed:8500 r/min
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Double row angular contact ball bearings
Details： Double row angular contact ball bearings Angular contact ball bearings, double row
Update date：2026-05-08
Application:Forging machine,pump,coal,other lathe,Food testing,Gripper Swing,municipal machinery,power protection,medical equipment,car steering pin,teaching equipment
Similar models:330782 AG 3307 A-2RS1TN9/MT33 3307 DJ1 BT4B 330742 A/HA4 3307 A-2Z 3307 ATN9 330726 A 3307 A-2RS1 3307 A-2ZTN9/MT33 53307 + U 307
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Model No. Inner Diameter Outer Diameter Width Type

315189 A
70x85x8 HMSA10 V
HM 3060
NU 226 ECM/C3VL2071
QJ 228 N2MA

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Hot number： 216-2Z 32014T63 X/DB 400505 42x62x10 HMSA10 V 593768 6216 709 ACE/HCP4AH 71922 ACB/HCP4AL NKXR 50 Z PBMF 230250100 M1G1 PFT 20 TF PWKRE 90.2RS SAF 23038 KATLC x 6.15/16 SAFS 22530 T SI 45 ESX-2LS

Model No.	Inner Diameter	Outer Diameter	Width	Type
315189 A
70x85x8 HMSA10 V
HM 3060
NU 226 ECM/C3VL2071
QJ 228 N2MA