Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4940 BK/SPW33

NNU 4940 BK/SPW33

Dimensions

d		200	mm
D		280	mm
B		80	mm
D₁		252.2	mm
F		225	mm
b		11.1	mm
K		3	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
s	max.	3.7	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	211	mm
d_a	max.	222	mm
D_a	max.	269	mm
d_n		227	mm

Calculation data

Basic dynamic load rating	C	484	kN
Basic static load rating	C₀	1040	kN
Fatigue load limit	P_u	106	kN
Attainable speed for grease lubrication		2600	r/min
Attainable speed for oil-air lubrication		3000	r/min
Reference grease quantity	G_ref	117	cm³
Static radial stiffness (guideline value)		5480	N/µm

Mass

Mass bearing

Model Number: NNU 4940 BK/SPW33
Inner Diameter：200mm Outer Diameter：280mm Width：80mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Cylindrical roller bearings Cylindrical roller bearings, double row, super-precision
Details： Cylindrical roller bearings, double row, super-precision
Update date：2021-06-05
Application:Laser Measurements,plant determination,Antenna Potentials,Switch,joint protection,lifting tackle,glass,mechanical and electrical,air conditioning tools,Cylinder Micro,roller lathe
Similar models:NNU 4940 BK/SPW33 GB 4940 NNU 4940 B/SPW33 NNCL 4940 CV NNC 4940 CV NNCF 4940 CV
BEARING POWER International Trading Co.,Ltd. specialize in NNU4940BK/SPW33 products，there is large inventory of SKF NNU 4940 BK/SPW33 Cylindrical roller bearings, double row, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4940 BK/SPW33 Which SKF NNU4940BK/SPW33 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
17624	44.45	71.37	7.95	Seals
19017	48.4124	69.9	9.53	Seals
25076	63.5	92.02	9.53	Seals
26x38x7 HMS1 R	26	38	7	Seals
3205 A	25	52	20.6	Bearings, units and housings
GS 81132	160	200	9.5	Bearings, units and housings
GS 89416	80	170	18	Bearings, units and housings
KM 23	19	-	115	Bearings, units and housings
NU 313 ECM	65	140	33	Bearings, units and housings
S71915 CE/P4A	75	105	16	Bearings, units and housings
SAF 22640 x 7.1/4 T	184.15	-	-	Bearings, units and housings
SNW 132x5.3/8	136.525	160	150.114	Bearings, units and housings

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