HR322/28CNSKTapered Roller

Name: NSK HR322/28C Tapered Roller Bearing
Brand: NSK
SKU: HR322/28C

HR322/28C is a NSK tapered roller bearing, bore 28 mm, O.D. 58 mm, width 19 mm, dynamic rating 9,440 lbs. Dimensions, drawing, interchanges and price.

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Bore d28mm

Outside dia. D58mm

Width B19mm

Dynamic Cr9,440lbs

Static C0r11,200lbs

Limiting speed6,300rpm

Weight0.24kg

Cr / C0r0.84

Mean dia. dm43mm

Original catalogue drawing - NSK catalogue, page 129

HR322/28C 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	28	1.1024
D	Outside diameter	58	2.2835
B	Inner-ring / bearing width	19	0.748
T	Overall assembly width	20.25	0.7972
C	Cup / outer-ring width	15	0.5906

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)	28
Bore d (in)	1.1024
Outside dia. D (mm)	58
Outside dia. D (in)	2.2835
Width B (mm)	19
Width B (in)	0.7480
Overall width T (mm)	20.25
Overall width T (in)	0.7972
Cup width C (mm)	15
Cup width C (in)	0.5906

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	9440
Basic static load rating Cor (lbs)	11200
Limiting speed - grease (rpm)	6,300
Limiting speed - oil (rpm)	8,500

Weight

Weight (kg)	0.24

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	1.458
Housing shoulder Da max (in)	2.049
Shaft shoulder db max (in)	1.300

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,100 rpm
4	10,498	102	806
6	6,999	392	3,115
8	5,249	1,024	8,127
10	4,199	2,154	17,099
15	2,799	8,323	66,059

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 41,991 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.131 (dimensions) / p.132 (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
322/28-B	FAG	Tapered Roller	28	58	19	43.5 kN	0.257

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR322/28	NSK	Tapered Roller	28	58	19	10,700 lbs	0.245

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
HR322/32	NSK	Tapered Roller	32	75	20	12,600 lbs	0.336
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
HR302/28C	NSK	Tapered Roller	28	58	16	7,640 lbs	0.202
HR303/28	NSK	Tapered Roller	28	68	18	12,400 lbs	0.34
HR303/28C	NSK	Tapered Roller	28	68	18	11,100 lbs	0.336
HR320/28XJ	NSK	Tapered Roller	28	52	16	32,000 lbs	0.145
HR323/28C	NSK	Tapered Roller	28	68	24	14,400 lbs	0.445
L45449/L45410	NSK	Tapered Roller	29	50.29	14.73	6,010 lbs	0.113
L44649/L44610	NSK	Tapered Roller	26.99	50.29	14.73	6,210 lbs	0.113
15117/15245	NSK	Tapered Roller	30	62	20.64	10,400 lbs	0.263

Request a quotation for HR322/28C

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