Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4926 BK/SPW33

NNU 4926 BK/SPW33

Dimensions

d		130	mm
D		180	mm
B		50	mm
D₁		162	mm
F		146	mm
b		5.5	mm
K		3	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1	mm
s	max.	2.2	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	137	mm
d_a	max.	144	mm
D_a	max.	172	mm
d_n		147	mm

Calculation data

Basic dynamic load rating	C	187	kN
Basic static load rating	C₀	390	kN
Fatigue load limit	P_u	41.5	kN
Attainable speed for grease lubrication		4300	r/min
Attainable speed for oil-air lubrication		4800	r/min
Reference grease quantity	G_ref	31	cm³
Static radial stiffness (guideline value)		3570	N/µm

Mass

Mass bearing

3.85

Model Number: NNU 4926 BK/SPW33
Inner Diameter：130mm Outer Diameter：180mm Width：50mm
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：2026-04-16
Application:axle lathe,reducer,transistor fittings,Broadcasting System,vertical pull,comprehensive experiment,plastic molding,engineering machinery,die casting mold,agricultural testing and analysis equipment and related,generator
Similar models:NA 4926 RNA 4926 NNU 4926 B/SPW33 NNU 4926 BK/SPW33 GB 4926 NNCL 4926 CV
BEARING POWER International Trading Co.,Ltd. specialize in NNU4926BK/SPW33 products，there is large inventory of SKF NNU 4926 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 4926 BK/SPW33 Which SKF NNU4926BK/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.

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