HR32960NSKTapered Roller

Name: NSK HR32960 Tapered Roller Bearing
Brand: NSK
SKU: HR32960

HR32960 is a NSK tapered roller bearing, bore 300 mm, O.D. 420 mm, width 76 mm, dynamic rating 1240 kN. Dimensions, drawing, interchanges and price.

Request a quote WhatsApp Email us Search the catalog

Bore d300mm

Outside dia. D420mm

Width B76mm

Dynamic Cr1240kN

Static C0r2100kN

Limiting speed710rpm

Weight31.4kg

Cr / C0r0.59

Mean dia. dm360mm

Original catalogue drawing - NSK E1103, page 270

HR32960 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	300	11.811
D	Outside diameter	420	16.5354
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)	300
Outside dia. D (mm)	420
Width B (mm)	76
Overall width T (mm)	76
Cup width C (mm)	57

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	278763
Basic static load rating Cor (lbs)	472099
Basic dynamic load rating Cr (N)	1240000
Basic static load rating C0r (N)	2100000
Limiting speed - grease (rpm)	710
Effective load centre a (mm)	4

Weight

Weight (kg)	31.4

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	310,000	102	8,466
6	206,667	392	32,708
8	155,000	1,024	85,333
10	124,000	2,154	179,536
15	82,667	8,323	693,622

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 1,240,000 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.270 (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
32960	FAG	Tapered Roller	300	420	76	980 kN	31.2
32960-XL	FAG	Tapered Roller	300	420	76	1170 kN	31.3
32960	Timken	Tapered Roller	300	420	76	1180 kN	31.23
X32960/Y32960	Timken	Tapered Roller	300	420	76	-	-

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR32960J	NSK	Tapered Roller	300	420	76	227,000 lbs	31.407

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30260	NSK	Tapered Roller	300	540	85	324,000 lbs	80.612
32260	NSK	Tapered Roller	300	540	140	499,000 lbs	131.818
32364	NSK	Tapered Roller	300	670	200	5150 kN	343
32960	NSK	Tapered Roller	300	420	72	1100 kN	30.5
HR32060	NSK	Tapered Roller	300	460	100	1770 kN	56.6
HR32060XJ	NSK	Tapered Roller	300	460	100	1,440,000 lbs	56.608
HR32064	NSK	Tapered Roller	300	480	100	1850 kN	60
HR32960J	NSK	Tapered Roller	300	420	76	227,000 lbs	31.407

Request a quotation for HR32960

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516