HR30207CNSKTapered Roller

Name: NSK HR30207C Tapered Roller Bearing
Brand: NSK
SKU: HR30207C

HR30207C is a NSK tapered roller bearing, bore 35 mm, O.D. 72 mm, width 17 mm, dynamic rating 10,600 lbs. Dimensions, drawing, interchanges and price.

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Bore d35mm

Outside dia. D72mm

Width B17mm

Dynamic Cr10,600lbs

Static C0r12,300lbs

Limiting speed5,000rpm

Weight0.324kg

Cr / C0r0.86

Mean dia. dm53.5mm

Original catalogue drawing - NSK catalogue, page 125

HR30207C 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	35	1.378
D	Outside diameter	72	2.8346
B	Inner-ring / bearing width	17	0.6693
T	Overall assembly width	18.25	0.7185
C	Cup / outer-ring width	13	0.5118

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)	35
Bore d (in)	1.3780
Outside dia. D (mm)	72
Outside dia. D (in)	2.8346
Width B (mm)	17
Width B (in)	0.6693
Overall width T (mm)	18.25
Overall width T (in)	0.7185
Cup width C (mm)	13
Cup width C (in)	0.5118

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	10600
Basic static load rating Cor (lbs)	12300
Limiting speed - grease (rpm)	5,000
Limiting speed - oil (rpm)	6,700

Weight

Weight (kg)	0.324

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	1.812
Housing shoulder Da max (in)	2.482
Shaft shoulder db max (in)	1.734

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,600 rpm
4	11,788	102	1,058
6	7,859	392	4,089
8	5,894	1,024	10,667
10	4,715	2,154	22,442
15	3,143	8,323	86,703

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 47,151 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.127 (dimensions) / p.128 (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
11207-TVH	FAG	Ball	35	72	17	16 kN	0.554
1207-K-TVH-C3	FAG	Ball	35	72	17	16 kN	0.319
1207-TVH	FAG	Ball	35	72	17	16 kN	0.324
6207	FAG	Ball	35	72	17	25.5 kN	0.291
6207-2RSR	FAG	Ball	35	72	17	25.5 kN	0.301
6207-2Z	FAG	Ball	35	72	17	25.5 kN	0.299
6207-C	FAG	Ball	35	72	17	28 kN	0.262
6207-C-2BRS	FAG	Ball	35	72	17	28 kN	0.274
6207-C-2HRS	FAG	Ball	35	72	17	28 kN	0.274
6207-C-2Z	FAG	Ball	35	72	17	28 kN	0.273

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1207	NSK	Ball	35	72	17	3,600 lbs	0.331
6207	NSK	Ball	35	72	17	5,770 lbs	0.29
7207B	NSK	Ball	35	72	17	5,780 lbs	0.295
BL207	NSK	Ball	35	72	17	7,380 lbs	0.308
207	NSK	Cylindrical Roller	35	72	17	7,590 lbs	0.299
NU207E	NSK	Cylindrical Roller	35	72	17	62 kN	0.304
HR30207	NSK	Tapered Roller	35	72	17	66.5 kN	0.34
HR30207J	NSK	Tapered Roller	35	72	17	12,100 lbs	0.34

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR30207	NSK	Tapered Roller	35	72	17	66.5 kN	0.34
HR30207J	NSK	Tapered Roller	35	72	17	12,100 lbs	0.34
HR30307	NSK	Tapered Roller	35	80	21	93.5 kN	0.538
HR30307C	NSK	Tapered Roller	35	80	21	15,300 lbs	0.508
HR30307J	NSK	Tapered Roller	35	80	21	17,100 lbs	0.54
HR31307	NSK	Tapered Roller	35	80	21	76.5 kN	0.52
HR31307J	NSK	Tapered Roller	35	80	21	13,900 lbs	0.522
HR32007	NSK	Tapered Roller	35	62	18	53 kN	0.229

Request a quotation for HR30207C

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