Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 3308 DNRCBM

3308 DNRCBM

Dimensions

d		40	mm
D		90	mm
B		36.5	mm
d₁	≈	61.15	mm
D₁	≈	77.47	mm
D₃		86.8	mm
D₄		96.5	mm
C		3.28	mm
b		2.7	mm
f		2.46	mm
r₀	max.	0.6	mm
r_1,2	min.	1.5	mm
a		71	mm

Abutment dimensions

d_a	min.	49	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	49.4	kN
Basic static load rating	C₀	41.5	kN
Fatigue load limit	P_u	1.76	kN
Reference speed		6700	r/min
Limiting speed		7000	r/min
Calculation factor	k_r	0.095
Calculation factor	e	1.14
Calculation factor	X	0.57
Calculation factor	Y₀	0.52
Calculation factor	Y₁	0.55
Calculation factor	Y₂	0.93

Mass

Mass bearing

1.2

Model Number: 3308 DNRCBM
Inner Diameter：40mm Outer Diameter：90mm Width：36.5mm
Reference speed:7000 r/min Limiting speed:6700 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：2025-12-09
Application:baler,boring bar boring bar,Reflective Materials Industrial fabrics,sewage pump,Optical Instruments,instrumentation instrument,mathematical instruments,Industrial equipment,sucker industry,experimental equipment,Machine tools
Similar models:3308 ATN9 3308 A-2ZTN9/MT33 3308 DTN9 330870 BG 3308 A-2Z 3308 DNRCBM 330824 A 3308 A 3308 DMA 3308 A-2RS1TN9/MT33
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6247	15.875	30	6.35	Seals
71917 ACD/P4A	85	120	18	Bearings, units and housings
FSAF 1617 x 2.13/16	71.4375	-	-	Bearings, units and housings
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KRE 19 PPA	-	19	32	Bearings, units and housings
NN 3014 TN/SP	70	110	30	Bearings, units and housings
PCZ 2222 M	34.925	38.89375	34.925	Bearings, units and housings
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