NU2252NSKCylindrical Roller

Name: NSK NU2252 Cylindrical Roller Bearing
Brand: NSK
SKU: NU2252

NU2252 is a NSK cylindrical roller bearing, bore 260 mm, O.D. 480 mm, width 130 mm, dynamic rating 2110 kN. Dimensions, drawing, interchanges and price.

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Bore d260mm

Outside dia. D480mm

Width B130mm

Dynamic Cr2110kN

Static C0r2770kN

Weight111kg

Cr / C0r0.76

Mean dia. dm370mm

Original catalogue drawing - NSK E1103, page 243

NU2252 NSK Cylindrical Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

Symbol	Dimension	mm	inch
d	Bore diameter	260	10.2362
D	Outside diameter	480	18.8976
B	Inner-ring / bearing width	130	5.1181
r	Chamfer (min)	5	0.1969

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)	260
Outside dia. D (mm)	480
Width B (mm)	130

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	474347
Basic static load rating Cor (lbs)	622721
Basic dynamic load rating Cr (N)	2110000
Basic static load rating C0r (N)	2770000

Weight

Weight (kg)	111.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	5
Chamfer r1 min (mm)	5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	527,500	102	3,386
6	351,667	392	13,083
8	263,750	1,024	34,133
10	211,000	2,154	71,814
15	140,667	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 2,110,000 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	NSK
Source catalogue	NSK CAT. No. E1103 (metric)
Catalogue page	p.243 (dimensions)

Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
NU2252-E-M1	FAG	Cylindrical Roller	260	480	130	2160 kN	109
NU2252-E-TB-M1	FAG	Cylindrical Roller	260	480	130	2180 kN	109
22252-BEA-XL-K-MB1	FAG	Spherical Roller	260	480	130	2600 kN	104
22252-BEA-XL-MB1	FAG	Spherical Roller	260	480	130	2600 kN	106
32252	FAG	Tapered Roller	260	480	130	2240 kN	102
32252-XL	FAG	Tapered Roller	260	480	130	2650 kN	104
32252	Timken	Tapered Roller	260	480	130	2490 kN	103.96

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2252	NSK	Cylindrical Roller	260	480	130	385,000 lbs	109.769
22252CAME4	NSK	Spherical Roller	260	480	130	490,000 lbs	102.766
32252	NSK	Tapered Roller	260	480	130	427,000 lbs	102.784

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1052	NSK	Cylindrical Roller	260	400	65	144,000 lbs	29.03
2252	NSK	Cylindrical Roller	260	480	130	385,000 lbs	109.769
252	NSK	Cylindrical Roller	260	480	80	249,000 lbs	66.678
352	NSK	Cylindrical Roller	260	540	102	345,000 lbs	116.573
NNCF4852V	NSK	Cylindrical Roller	260	320	60	630 kN	11
NNCF4952V	NSK	Cylindrical Roller	260	360	100	1290 kN	32
NNCF5052V	NSK	Cylindrical Roller	260	400	190	3300 kN	82.7
NU1052	NSK	Cylindrical Roller	260	400	65	790 kN	29.1

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