HR32048NSKTapered Roller

Name: NSK HR32048 Tapered Roller Bearing
Brand: NSK
SKU: HR32048

HR32048 is a NSK tapered roller bearing, bore 240 mm, O.D. 360 mm, width 76 mm, dynamic rating 1130 kN. Dimensions, drawing, interchanges and price.

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Bore d240mm

Outside dia. D360mm

Width B76mm

Dynamic Cr1130kN

Static C0r1730kN

Limiting speed850rpm

Weight26.2kg

Cr / C0r0.65

Mean dia. dm300mm

Original catalogue drawing - NSK E1103, page 269

HR32048 NSK Tapered 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	240	9.4488
D	Outside diameter	360	14.1732
B	Inner-ring / bearing width	76	2.9921
T	Overall assembly width	76	2.9921
C	Cup / outer-ring width	57	2.2441
r	Chamfer (min)	3	0.1181

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)	240
Outside dia. D (mm)	360
Width B (mm)	76
Overall width T (mm)	76
Cup width C (mm)	57

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	254034
Basic static load rating Cor (lbs)	388919
Basic dynamic load rating Cr (N)	1130000
Basic static load rating C0r (N)	1730000
Limiting speed - grease (rpm)	850
Effective load centre a (mm)	4

Weight

Weight (kg)	26.2

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	3

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 200 rpm
4	282,500	102	8,466
6	188,333	392	32,708
8	141,250	1,024	85,333
10	113,000	2,154	179,536
15	75,333	8,323	693,622

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 1,130,000 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.269 (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
32048-X	FAG	Tapered Roller	240	360	76	900 kN	28.2
32048-X-XL	FAG	Tapered Roller	240	360	76	1060 kN	25.8
32048X	Timken	Tapered Roller	240	360	76	1030 kN	25.73

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR32048XJ	NSK	Tapered Roller	240	360	76	920,000 lbs	26.204

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30248	NSK	Tapered Roller	240	440	72	223,000 lbs	45.21
30348	NSK	Tapered Roller	240	500	95	373,000 lbs	92.614
32248	NSK	Tapered Roller	240	440	120	366,000 lbs	78.05
32348	NSK	Tapered Roller	240	500	155	567,000 lbs	145.027
HR32048XJ	NSK	Tapered Roller	240	360	76	920,000 lbs	26.204
HR32948	NSK	Tapered Roller	240	320	51	615 kN	11.1
HR32948J	NSK	Tapered Roller	240	320	51	112,000 lbs	11.104

Request a quotation for HR32048

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