Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Double row cylindrical roller bearings -- Cylindrical roller bearings, double row SKF NNU 4888 KM/W33

NNU 4888 KM/W33

Design

Design variant/feature

NNU K/W33

Dimensions

d		440	mm
D		540	mm
B		100	mm
D₁	≈	505	mm
F		470	mm
b		16.7	mm
K		9	mm
r_1,2	min.	2.1	mm
s	max.	3.5	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	448	mm
d_a	max.	464	mm
D_a	max.	529	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	1010	kN
Basic static load rating	C₀	2900	kN
Fatigue load limit	P_u	186	kN
Reference speed		1000	r/min
Limiting speed		1100	r/min
Calculation factor	k_r	0.12

Mass

Mass bearing

Model Number: NNU 4888 KM/W33
Inner Diameter：440mm Outer Diameter：540mm Width：100mm
Reference speed:1100 r/min Limiting speed:1000 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Double row cylindrical roller bearings
Details： Double row cylindrical roller bearings Cylindrical roller bearings, double row
Update date：2025-12-09
Application:test laboratory equipment and accessories,Forging machine,Machine Tool Accessories,organic raw materials,sheet industry,gas turbine,non-motor vehicle Electric car,diagnostic test paper,ship special,municipal machinery,Laser Cutting
Similar models:NNU 4888 KM/W33
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PCZ 1412 M	22.225	25.4	19.05	Bearings, units and housings
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Hot number： 2210 E-2RS1KTN9 2308 EKTN9 + H 2308 23984 CCK/W33 32013 X/DF 3215 A C 2316 K K 89444 M NUP 310 ECML OH 30/560 H PSMF 182430 A51 S7006 CD/HCP4A SAF 23028 KA x 4.15/16 SIL 25 ES SILJ 50 ES STO 15