Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4964 BK/SPW33

NNU 4964 BK/SPW33

Dimensions

d		320	mm
D		440	mm
B		118	mm
D₁		399	mm
F		359	mm
b		16.7	mm
K		9	mm
r_1,2	min.	3	mm
r_3,4	min.	2	mm
s	max.	5.5	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	333	mm
d_a	max.	355	mm
D_a	max.	427	mm
r_a	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	1060	kN
Basic static load rating	C₀	2500	kN
Fatigue load limit	P_u	236	kN
Attainable speed for grease lubrication		1700	r/min
Attainable speed for oil-air lubrication		1900	r/min

Mass

Mass bearing

Model Number: NNU 4964 BK/SPW33
Inner Diameter：320mm Outer Diameter：440mm Width：118mm
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:nail products,bio-chemical,Garment Accessories,centrifugal pump,Rolling mill gear box,security equipment,other mold,decoration machinery,Textile Accessories,relay,sucker industry
Similar models:NNU 4964 BK/SPW33 314964 NNC 4964 CV NNUP 4964 B/HB1W33 NNCL 4964 CV NNU 4964 B/SPW33
BEARING POWER International Trading Co.,Ltd. specialize in NNU4964BK/SPW33 products，there is large inventory of SKF NNU 4964 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 4964 BK/SPW33 Which SKF NNU4964BK/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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