Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row full complement cylindrical roller bearings -- Cylindrical roller bearings, double row, full complement SKF NNC 4912 CV

NNC 4912 CV

Dimensions

d		60	mm
D		85	mm
B		25	mm
d₁	≈	70.5	mm
D₁	≈	73.5	mm
b₁		4.5	mm
K		3.5	mm
r_1,2	min.	1	mm

Abutment dimensions

d_a	min.	64.7	mm
d_as		67.6	mm
D_a	max.	80.5	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	78.1	kN
Basic static load rating	C₀	137	kN
Fatigue load limit	P_u	14.3	kN
Reference speed		3600	r/min
Limiting speed		4500	r/min
Calculation factor	k_r	0.25

Mass

Mass bearing

0.49

Model Number: NNC 4912 CV
Inner Diameter：60mm Outer Diameter：85mm Width：25mm
Reference speed:4500 r/min Limiting speed:3600 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Double row full complement cylindrical roller bearings
Details： Double row full complement cylindrical roller bearings Cylindrical roller bearings, double row, full complement
Update date：2026-06-24
Application:vacuum suction cup,plastic rolling,electromagnet,air conditioning tools,small diesel generators,office equipment,die casting mold,mechanical and electrical,Workpiece,dye pigments,Internal thread type
Similar models:RNA 4912 NNCF 4912 CV NA 4912 NNC 4912 CV NNCL 4912 CV
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Model No. Inner Diameter Outer Diameter Width Type

395 VE R
71948 CD/P4A
BT2B 332448
FYTB 1.3/4 FM
HA 311 E

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Model No.	Inner Diameter	Outer Diameter	Width	Type
395 VE R
71948 CD/P4A
BT2B 332448
FYTB 1.3/4 FM
HA 311 E