Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 312 NR

312 NR

Dimensions

d		60	mm
D		130	mm
B		31	mm
d₁	≈	81.86	mm
D₂	≈	112.2	mm
D₃		125.22	mm
D₄		139.7	mm
b		3.1	mm
C		4.06	mm
f		2.82	mm
r₀	max.	0.6	mm
r_1,2	min.	2.1	mm

Abutment dimensions

d_a	min.	72	mm
D_a	max.	118	mm
D_b	min.	141	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	91.3	kN
Basic static load rating	C₀	78	kN
Fatigue load limit	P_u	3.35	kN
Reference speed		9500	r/min
Limiting speed		6000	r/min
Calculation factor	k_r	0.05

Mass

Mass bearing

1.85

Included products

Snap ring

SP 130

Model Number: 312 NR
Inner Diameter：60mm Outer Diameter：130mm Width：31mm
Reference speed:6000 r/min Limiting speed:9500 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-17
Application:education model Instruments,generator,packaging materials,Hair styling device,switch,PVC,medical Equipment,Anesthetic Equipment,car and accessories,granulator,hydraulic cylinder
Similar models:23128 CCK/W33 312966 E 7312 BECAP AHX 2312 H 3120 312-Z 21312 EK 23122-2CS5K/VT143 312967 E 4312 ATN9
BEARING POWER International Trading Co.,Ltd. specialize in 312NR products，there is large inventory of SKF 312 NR Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 312 NR Which SKF 312NR 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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