Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6311 NR

6311 NR

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	75.34	mm
D₂	≈	103.7	mm
D₃		115.21	mm
D₄		129.7	mm
b		3.1	mm
C		4.06	mm
f		2.82	mm
r₀	max.	0.6	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	min.	66	mm
D_a	max.	109	mm
D_b	min.	131	mm
b_a	min.	3.5	mm
C_a	max.	6.88	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	74.1	kN
Basic static load rating	C₀	45	kN
Fatigue load limit	P_u	1.9	kN
Reference speed		12000	r/min
Limiting speed		8000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	13

Mass

Mass bearing

1.41

Included products

Snap ring

SP 120

Model Number: 6311 NR
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:8000 r/min Limiting speed:12000 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:water protection,plastic molding,lathe,food add,medical equipment,spring industry,Industrial,packing equipment,Switch,Safety protection,outdoor equipment
Similar models:6311-2ZNR 6311-RS1 6311-Z 6311 NR 6311/HC5C3 6311-2Z/VA201 6311-2Z 6311/VA201 6311-2RS1 6311 N
BEARING POWER International Trading Co.,Ltd. specialize in 6311NR products，there is large inventory of SKF 6311 NR Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311 NR Which SKF 6311NR 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
17315	44.45	62	7.95	Seals
BD-230/850 CAK/W33-AOH 30/850	800	1220	272	Bearings, units and housings
33699	85.725	111.15	9.53	Seals
360x392x20 HDS1 R	360	392	20	Seals
70x90x10 CRWHA1 P	70	90	10	Seals
AOHX 3292 G	440	460	349	Bearings, units and housings
C 3084 KM	420	620	150	Bearings, units and housings
BTM 140 BM/HCP4CDB	140	210	63	Bearings, units and housings
HE 2332	139.7	210	147	Bearings, units and housings
KR 90 XB	-	90	100	Bearings, units and housings
PBM 051010 M1	5	10	10	Bearings, units and housings
QJ 310 PHAS	50	110	27	Bearings, units and housings

Purchase the SKF 6311 NR Please fill in the following

Hot number： 22314 E/VA405 31312/DF 340x372x16 HDS2 V 50x68x10 HMS5 V 6007/HR22T2 71903 CD/P4A 82x160x15 HMS5 RG AH 24140 AOH 240/630 G BD-C 2226 K-H 3126 L HA 2324 E HJ 2319 EC SNL 3136 SNL 3140 ATURA YAT 212-204