HR30328NSKTapered Roller

Name: NSK HR30328 Tapered Roller Bearing
Brand: NSK
SKU: HR30328

HR30328 is a NSK tapered roller bearing, bore 140 mm, O.D. 300 mm, width 62 mm, dynamic rating 910 kN. Dimensions, drawing, interchanges and price.

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Bore d140mm

Outside dia. D300mm

Width B62mm

Dynamic Cr910kN

Static C0r945kN

Limiting speed1,200rpm

Weight21.1kg

Cr / C0r0.96

Mean dia. dm220mm

Original catalogue drawing - NSK E1103, page 268

HR30328 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	140	5.5118
D	Outside diameter	300	11.811
B	Inner-ring / bearing width	62	2.4409
T	Overall assembly width	67.75	2.6673
C	Cup / outer-ring width	53	2.0866
r	Chamfer (min)	4	0.1575

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)	140
Outside dia. D (mm)	300
Width B (mm)	62
Overall width T (mm)	67.75
Cup width C (mm)	53

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	204576
Basic static load rating Cor (lbs)	212444
Basic dynamic load rating Cr (N)	910000
Basic static load rating C0r (N)	945000
Limiting speed - grease (rpm)	1,200
Effective load centre a (mm)	5

Weight

Weight (kg)	21.1

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	4

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 400 rpm
4	227,500	102	4,233
6	151,667	392	16,354
8	113,750	1,024	42,667
10	91,000	2,154	89,768
15	60,667	8,323	346,811

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 910,000 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.268 (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
6328-M	FAG	Ball	140	300	62	270 kN	21.767
QJ328-N2-MPA	FAG	Ball	140	300	62	470 kN	23.2
N328-E-M1	FAG	Cylindrical Roller	140	300	62	790 kN	22.5
N328-E-XL-M1	FAG	Cylindrical Roller	140	300	62	790 kN	22.5
NJ328-E-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.5
NJ328-E-XL-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.5
NU328-E-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.1
NU328-E-XL-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.1
NUP328-E-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.8
NUP328-E-XL-TVP2	FAG	Cylindrical Roller	140	300	62	790 kN	20.8

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6328	NSK	Ball	140	300	62	56,800 lbs	21.999
7328B	NSK	Ball	140	300	62	62,000 lbs	21.273
328	NSK	Cylindrical Roller	140	300	62	123,000 lbs	19.051
NU328E	NSK	Cylindrical Roller	140	300	62	815 kN	22.8
30328	NSK	Tapered Roller	140	300	62	135,000 lbs	20.103
HR31328J	NSK	Tapered Roller	140	300	62	124,800 lbs	23.224
7328	NSK	Precision / Angular Contact	140	300	62	330 kN	21.4

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30328	NSK	Tapered Roller	140	300	62	135,000 lbs	20.103
32328	NSK	Tapered Roller	140	300	102	221,000 lbs	33.906
HR30228	NSK	Tapered Roller	140	250	42	480 kN	8.74
HR30228J	NSK	Tapered Roller	140	250	42	87,700 lbs	8.741
HR31328	NSK	Tapered Roller	140	300	70	855 kN	23.1
HR31328J	NSK	Tapered Roller	140	300	62	124,800 lbs	23.224
HR32028	NSK	Tapered Roller	140	210	45	400 kN	5.32
HR32028XJ	NSK	Tapered Roller	140	210	45	325,000 lbs	5.321

Request a quotation for HR30328

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