HR32040NSKTapered Roller

Name: NSK HR32040 Tapered Roller Bearing
Brand: NSK
SKU: HR32040

HR32040 is a NSK tapered roller bearing, bore 200 mm, O.D. 310 mm, width 70 mm, dynamic rating 935 kN. Dimensions, drawing, interchanges and price.

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Bore d200mm

Outside dia. D310mm

Width B70mm

Dynamic Cr935kN

Static C0r1370kN

Limiting speed1,000rpm

Weight18.9kg

Cr / C0r0.68

Mean dia. dm255mm

Original catalogue drawing - NSK E1103, page 269

HR32040 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	200	7.874
D	Outside diameter	310	12.2047
B	Inner-ring / bearing width	70	2.7559
T	Overall assembly width	70	2.7559
C	Cup / outer-ring width	53	2.0866
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)	200
Outside dia. D (mm)	310
Width B (mm)	70
Overall width T (mm)	70
Cup width C (mm)	53

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	210196
Basic static load rating Cor (lbs)	307988
Basic dynamic load rating Cr (N)	935000
Basic static load rating C0r (N)	1370000
Limiting speed - grease (rpm)	1,000
Effective load centre a (mm)	3

Weight

Weight (kg)	18.9

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	233,750	102	5,644
6	155,833	392	21,805
8	116,875	1,024	56,889
10	93,500	2,154	119,691
15	62,333	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 935,000 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
32040-X	FAG	Tapered Roller	200	310	70	760 kN	19
32040-X-XL	FAG	Tapered Roller	200	310	70	900 kN	18.7
32040X	Timken	Tapered Roller	200	310	70	847 kN	18.68
X32040X/Y32040X	Timken	Tapered Roller	200	310	70	-	-

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR32040XJ	NSK	Tapered Roller	200	310	70	760,000 lbs	18.901

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30240	NSK	Tapered Roller	200	360	58	145,000 lbs	23.805
30340	NSK	Tapered Roller	200	420	80	232,000 lbs	52.308
32340	NSK	Tapered Roller	200	420	138	409,000 lbs	90.914
32940	NSK	Tapered Roller	200	280	48	505 kN	9.26
HR30240	NSK	Tapered Roller	200	360	58	975 kN	25.5
HR32040XJ	NSK	Tapered Roller	200	310	70	760,000 lbs	18.901
HR32240	NSK	Tapered Roller	200	360	98	1480 kN	42.6
HR32240J	NSK	Tapered Roller	200	360	98	272,000 lbs	42.642

Request a quotation for HR32040

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