HR32960JNSKTapered Roller

Name: NSK HR32960J Tapered Roller Bearing
Brand: NSK
SKU: HR32960J

HR32960J is a NSK tapered roller bearing, bore 300 mm, O.D. 420 mm, width 76 mm. Dimensions, drawing, interchanges and price.

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Bore d300mm

Outside dia. D420mm

Width B76mm

Dynamic Cr227,000lbs

Static C0r472,000lbs

Limiting speed700rpm

Weight31.407kg

Cr / C0r0.48

Mean dia. dm360mm

Original catalogue drawing - NSK catalogue, page 117

HR32960J 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

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
Bore d (in)	11.8110
Outside dia. D (mm)	420
Outside dia. D (in)	16.5354
Width B (mm)	76.0000
Width B (in)	2.9921
Overall width T (mm)	76
Overall width T (in)	2.9921
Cup width C (mm)	57
Cup width C (in)	2.2441

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	227000
Basic static load rating Cor (lbs)	472000
Limiting speed - grease (rpm)	700
Limiting speed - oil (rpm)	1,000

Weight

Weight (kg)	31.407

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.12
Shaft shoulder da min (in)	13.189
Housing shoulder Da max (in)	15.512
Shaft shoulder db max (in)	0.519

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 200 rpm
4	252,437	102	8,466
6	168,291	392	32,708
8	126,218	1,024	85,333
10	100,975	2,154	179,536
15	67,316	8,323	693,622

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 1,009,746 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 inch product catalogue
Catalogue page	p.119 (dimensions) / p.120 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

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
HR32960	NSK	Tapered Roller	300	420	76	1240 kN	31.4

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
HR32960	NSK	Tapered Roller	300	420	76	1240 kN	31.4

Request a quotation for HR32960J

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