Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6311-2Z

6311-2Z

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	75.34	mm
D₂	≈	103.7	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	min.	66	mm
d_a	max.	75.2	mm
D_a	max.	109	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		6300	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	13.1

Mass

Mass bearing

1.42

Model Number: 6311-2Z
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:6300 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:injection molding machine,other rubber,Laser Measurements,hydraulic actuator,Medium and large motor,steam Hydraulic control element,powder metallurgy,packing equipment,blood cell reagent,Performance test,non-ferrous metal alloy
Similar models:6311 NR 6311-2ZNR 6311 M 6311-2Z 6311-2RSH 6311-Z 6311-2Z/VA228 6311 N 6311-RS1 6311/HC5C3
BEARING POWER International Trading Co.,Ltd. specialize in 6311-2Z products，there is large inventory of SKF 6311-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311-2Z Which SKF 6311-2Z 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.

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22334 CC/W33	170	360	120	Bearings, units and housings
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25190	63.9826	132.9944	12.9794	Seals
400164	14	-	-	Seals
6024 N	120	180	28	Bearings, units and housings
90807	-	-	63.5	Seals
LL 584449/410	801.688	914.4	58.738	Bearings, units and housings
SAFS 22217-11 T	85	-	-	Bearings, units and housings
SHT 80	80	-	-	Coupling systems
SIL 45 TXE-2LS	45	-	32	Bearings, units and housings
W 61807	35	47	7	Bearings, units and housings
Z 015 F	75	-	7	Seals

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