HR322/32NSKTapered Roller

Name: NSK HR322/32 Tapered Roller Bearing
Brand: NSK
SKU: HR322/32

HR322/32 is a NSK tapered roller bearing, bore 32 mm, O.D. 75 mm, width 20 mm, dynamic rating 12,600 lbs. Dimensions, drawing, interchanges and price.

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Bore d32mm

Outside dia. D75mm

Width B20mm

Dynamic Cr12,600lbs

Static C0r14,600lbs

Limiting speed5,870rpm

Weight0.336kg

Cr / C0r0.86

Mean dia. dm53.5mm

Original catalogue drawing - NSK catalogue, page 113

HR322/32 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	32	1.2598
D	Outside diameter	75	2.9528
B	Inner-ring / bearing width	20	0.7874
T	Overall assembly width	21.75	0.8563
C	Cup / outer-ring width	17	0.6693

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)	32
Bore d (in)	1.2598
Outside dia. D (mm)	75
Outside dia. D (in)	2.9528
Width B (mm)	20
Width B (in)	0.7874
Overall width T (mm)	21.75
Overall width T (in)	0.8563
Cup width C (mm)	17
Cup width C (in)	0.6693

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	12600
Basic static load rating Cor (lbs)	14600
Limiting speed - grease (rpm)	5,870
Limiting speed - oil (rpm)	7,970

Weight

Weight (kg)	0.336

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	1.00
Shaft shoulder da min (in)	1.614
Housing shoulder Da max (in)	0.000
Shaft shoulder db max (in)	1.504

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,900 rpm
4	14,012	102	891
6	9,341	392	3,443
8	7,006	1,024	8,982
10	5,605	2,154	18,899
15	3,737	8,323	73,013

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 56,048 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.115 (dimensions) / p.116 (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
303/32	FAG	Tapered Roller	32	75	20	67 kN	0.464

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
63/32	NSK	Ball	32	75	20	33 kN	0.389
HR303/32	NSK	Tapered Roller	32	75	20	14,600 lbs	0.445
HR303/32C	NSK	Tapered Roller	32	75	20	13,400 lbs	0.445

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR322/22	NSK	Tapered Roller	22	50	18	8,210 lbs	0.181
HR322/22C	NSK	Tapered Roller	22	50	18	7,530 lbs	0.177
HR322/28	NSK	Tapered Roller	28	58	19	10,700 lbs	0.245
HR322/28C	NSK	Tapered Roller	28	58	19	9,440 lbs	0.24
HR322/32C	NSK	Tapered Roller	32	65	21	11,100 lbs	0.331

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR302/32C	NSK	Tapered Roller	32	65	17	10,200 lbs	0.268
HR303/32	NSK	Tapered Roller	32	75	20	14,600 lbs	0.445
HR303/32C	NSK	Tapered Roller	32	75	20	13,400 lbs	0.445
HR320/32XJ	NSK	Tapered Roller	32	58	17	37,500 lbs	0.191
HR323/32C	NSK	Tapered Roller	32	75	28	19,000 lbs	0.621
14123A/14274	NSK	Tapered Roller	31.75	69.01	26.72	10,600 lbs	0.39
14125A/14276	NSK	Tapered Roller	31.75	69.01	19.58	10,600 lbs	0.349
15123/15245	NSK	Tapered Roller	31.75	62	19.05	10,400 lbs	0.236

Request a quotation for HR322/32

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