Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 311-2Z

311-2Z

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	79.2	kN
Basic static load rating	C₀	67	kN
Fatigue load limit	P_u	2.85	kN
Reference speed		10000	r/min
Limiting speed		5000	r/min
Calculation factor	k_r	0.05

Mass

Mass bearing

1.5

Model Number: 311-2Z
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:5000 r/min Limiting speed:10000 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:labor insurance,enzyme,Power equipment,altimeter etc,medical equipment,Automation,axle lathe,office outdoor camping equipment,expectoration machine,Roller mill,Dental Equipment
Similar models:NU 311 ECJ HA 311 FSAF 1311 T 6311-2ZNR YSA 211-2FK + HA 2311 BD-C 2211 KV-AHX 311 53311 + U 311 NUP 311 ECML 331159 A SAF 1311
BEARING POWER International Trading Co.,Ltd. specialize in 311-2Z products，there is large inventory of SKF 311-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 311-2Z Which SKF 311-2Z 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
28464	72.2376	101.68	11.13	Seals
34888	88.9	114.33	11.13	Seals
450 VA V	405	-	-	Seals
51100 V/HR11T1	10	24	9	Bearings, units and housings
811/750 M	750	900	120	Bearings, units and housings
99187	47.625	55.9562	17.4752	Seals
GRA 3034	170	230	67	Bearings, units and housings
BT4-8023 G/HA1VA919	450	595	-	Bearings, units and housings
HE 3140	177.8	200	150	Bearings, units and housings
NUP 306 ECNJ	30	72	19	Bearings, units and housings
SAW 23518 x 3.1/4 TLC	82.55	-	-	Bearings, units and housings
W 61800-2RS1	10	19	5	Bearings, units and housings

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