Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 306-2Z

306-2Z

Dimensions

d		30	mm
D		72	mm
B		19	mm
d₁	≈	44.6	mm
D₂	≈	61.88	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	37	mm
d_a	max.	44.5	mm
D_a	max.	65	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	29.7	kN
Basic static load rating	C₀	21.6	kN
Fatigue load limit	P_u	0.93	kN
Reference speed		18000	r/min
Limiting speed		8800	r/min
Calculation factor	k_r	0.05

Mass

Mass bearing

0.37

Model Number: 306-2Z
Inner Diameter：30mm Outer Diameter：72mm Width：19mm
Reference speed:8800 r/min Limiting speed:18000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-24
Application:Ball screw,building decoration raw materials and accessories,walking Food processing machinery and equipment,Forming mold,product accessories,electromagnetic clutch,internal combustion engine,Internal thread type,Gear grinding machine,medical equipment,natural instruments
Similar models:BSD 3062 C NN 3068 K/SPW33 SNP 3060x11 SNL 3060 TURT NJ 2306 ECP 54306 + U 306 3306 A-2RS1 BD-C 3060 KM-AOH 3060 C 3064 M HM 3064
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Model No. Inner Diameter Outer Diameter Width Type

58x90x8 CRW1 R
81217 TN
D/W ER1212
FSAF 22518
OKBS 89

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Hot number： 1226 M 32x48x8 HMS5 V 3308 DMA 332169 A 524223 71911 ACB/P4AL K 60x68x30 ZW NCF 2924 CV NU 1009 ECP RNA 4905 SAA 45 TXE-2LS SAF 23056 KA x 10.1/2 SNW 109x1.3/8 SYFWK 35 LTHR YSP 206 SB-2F

Model No.	Inner Diameter	Outer Diameter	Width	Type
58x90x8 CRW1 R
81217 TN
D/W ER1212
FSAF 22518
OKBS 89