Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 309

309

Dimensions

d		45	mm
D		100	mm
B		25	mm
d₁	≈	62.18	mm
D₂	≈	86.7	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	54	mm
D_a	max.	91	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	55	kN
Basic static load rating	C₀	44	kN
Fatigue load limit	P_u	1.86	kN
Reference speed		13000	r/min
Limiting speed		7500	r/min
Calculation factor	k_r	0.05

Mass

Mass bearing

0.88

Model Number: 309
Inner Diameter：45mm Outer Diameter：100mm Width：25mm
Reference speed:7500 r/min Limiting speed:13000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:lifting chain,switch,miscellaneous instruments,chemical,Processing machinery,clean stationery,Warehouse Shelf Equipment,forklift truck,light therapy instrument,historical instruments,EEG
Similar models:2309 EKTN9 QJ 309 N2PHAS SNL 3096 TURT 3309 DNRCBM SNL 3096 G 7309 BECBJ NJ 309 ECP H 309 E 1726309-2RS1 4309 ATN9
BEARING POWER International Trading Co.,Ltd. specialize in 309 products，there is large inventory of SKF 309 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 309 Which SKF 309 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
12x25x7 HMS5 RG	12	25	7	Seals
16072 MA	360	540	57	Bearings, units and housings
218 NR	90	160	30	Bearings, units and housings
99163	41	49.2252	15.875	Seals
99826	41.275	47.625	17.4752	Seals
GEC 460 TXA-2RS	460	620	218	Bearings, units and housings
HE 3036	165.1	210	109	Bearings, units and housings
NKI 17/16	17	29	16	Bearings, units and housings
OKBS 55	55	-	-
SAF 22624 x 4	101.6	-	-	Bearings, units and housings
SHR 55	55	-	-	Coupling systems
SYR 3 7/16 N	87.3125	-	-	Bearings, units and housings

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