HR32038NSKTapered Roller

Name: NSK HR32038 Tapered Roller Bearing
Brand: NSK
SKU: HR32038

HR32038 is a NSK tapered roller bearing, bore 190 mm, O.D. 290 mm, width 64 mm, dynamic rating 800 kN. Dimensions, drawing, interchanges and price.

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Bore d190mm

Outside dia. D290mm

Width B64mm

Dynamic Cr800kN

Static C0r1170kN

Limiting speed1,100rpm

Weight14.9kg

Cr / C0r0.68

Mean dia. dm240mm

Original catalogue drawing - NSK E1103, page 269

HR32038 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	190	7.4803
D	Outside diameter	290	11.4173
B	Inner-ring / bearing width	64	2.5197
T	Overall assembly width	64	2.5197
C	Cup / outer-ring width	48	1.8898
r	Chamfer (min)	2.5	0.0984

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)	190
Outside dia. D (mm)	290
Width B (mm)	64
Overall width T (mm)	64
Cup width C (mm)	48

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	179847
Basic static load rating Cor (lbs)	263026
Basic dynamic load rating Cr (N)	800000
Basic static load rating C0r (N)	1170000
Limiting speed - grease (rpm)	1,100
Effective load centre a (mm)	3

Weight

Weight (kg)	14.9

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 300 rpm
4	200,000	102	5,644
6	133,333	392	21,805
8	100,000	1,024	56,889
10	80,000	2,154	119,691
15	53,333	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 800,000 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
32038-X	FAG	Tapered Roller	190	290	64	630 kN	14.8
32038-X-XL	FAG	Tapered Roller	190	290	64	740 kN	14.6
32038X	Timken	Tapered Roller	190	290	64	719 kN	14.6

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR32038XJ	NSK	Tapered Roller	190	290	64	650,000 lbs	14.901

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30238	NSK	Tapered Roller	190	340	55	130,000 lbs	20.103
30338	NSK	Tapered Roller	190	400	78	227,000 lbs	46.008
32338	NSK	Tapered Roller	190	400	132	2040 kN	78.9
HR30238	NSK	Tapered Roller	190	340	55	880 kN	21.4
HR32038XJ	NSK	Tapered Roller	190	290	64	650,000 lbs	14.901
HR32238	NSK	Tapered Roller	190	340	92	1370 kN	35.2
HR32238J	NSK	Tapered Roller	190	340	92	250,000 lbs	35.181
HR32938	NSK	Tapered Roller	190	260	45	445 kN	6.83

Request a quotation for HR32038

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