SKF NNU 4960 BK/SPW33
Super-precision double row cylindrical roller bearing with tapered bore and lubrication feature
(BRAND)：SKF
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Dimensions
d
300.0 mm
Bore diameter
D
420.0 mm
Outside diameter
B
118.0 mm
Width
D1
379.0 mm
Shoulder diameter outer ring (NNU design)
F
339.0 mm
Raceway diameter inner ring (NNU design)
b
16.7 mm
Width annular lubrication groove at outer ring
K
3.0 mm
Diameter lubrication hole (outer ring)
r1,2
3.0 mm
Chamfer dimension outer ring
r3,4
1.1 mm
Chamfer dimension inner ring (bearing with tapered bore)
s
5.5 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other (all)
mass
49.6 kg
Product net weight
Abutment dimensions
da
313.0 mm
Abutment diameter shaft
da
335.0 mm
Abutment diameter shaft (NNU design)
Da
407.0 mm
Abutment diameter housing
ra
2.5 mm
Fillet radius
dn
342.0 mm
Oil nozzle position (not for variants with TNHA cage)
