HR30236NSKTapered Roller

Name: NSK HR30236 Tapered Roller Bearing
Brand: NSK
SKU: HR30236

HR30236 is a NSK tapered roller bearing, bore 180 mm, O.D. 320 mm, width 52 mm, dynamic rating 800 kN. Dimensions, drawing, interchanges and price.

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Bore d180mm

Outside dia. D320mm

Width B52mm

Dynamic Cr800kN

Static C0r930kN

Limiting speed1,100rpm

Weight17.8kg

Cr / C0r0.86

Mean dia. dm250mm

Original catalogue drawing - NSK E1103, page 269

HR30236 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	180	7.0866
D	Outside diameter	320	12.5984
B	Inner-ring / bearing width	52	2.0472
T	Overall assembly width	57	2.2441
C	Cup / outer-ring width	43	1.6929
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)	180
Outside dia. D (mm)	320
Width B (mm)	52
Overall width T (mm)	57
Cup width C (mm)	43

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	179847
Basic static load rating Cor (lbs)	209072
Basic dynamic load rating Cr (N)	800000
Basic static load rating C0r (N)	930000
Limiting speed - grease (rpm)	1,100
Effective load centre a (mm)	5

Weight

Weight (kg)	17.8

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 300 rpm
4	200,000	102	5,644
6	133,333	392	21,805
8	100,000	1,024	56,889
10	80,000	2,154	119,691
15	53,333	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 800,000 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.269 (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
6236-M	FAG	Ball	180	320	52	240 kN	18.744
QJ236-N2-MPA	FAG	Ball	180	320	52	435 kN	19.6
N236-E-XL-M1	FAG	Cylindrical Roller	180	320	52	730 kN	18.9
NJ236-E-M1	FAG	Cylindrical Roller	180	320	52	730 kN	19.2
NJ236-E-XL-M1	FAG	Cylindrical Roller	180	320	52	730 kN	19.2
NU236-E-M1	FAG	Cylindrical Roller	180	320	52	730 kN	18.9
NU236-E-XL-M1	FAG	Cylindrical Roller	180	320	52	730 kN	18.9
NUP236-E-M1	FAG	Cylindrical Roller	180	320	52	730 kN	17.3
NUP236-E-XL-M1	FAG	Cylindrical Roller	180	320	52	730 kN	17.3
20236-MB	FAG	Spherical Roller	180	320	52	590 kN	18.4

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6236	NSK	Ball	180	320	52	51,100 lbs	15.767
7236B	NSK	Ball	180	320	52	62,000 lbs	17.69
236	NSK	Cylindrical Roller	180	320	52	111,000 lbs	19.051
NU236E	NSK	Cylindrical Roller	180	320	52	770 kN	19
30236	NSK	Tapered Roller	180	320	52	117,000 lbs	16.601
7236	NSK	Precision / Angular Contact	180	320	52	335 kN	18.1
7236A5	NSK	Precision / Angular Contact	180	320	52	71,700 lbs	17.903
7236C	NSK	Precision / Angular Contact	180	320	52	75,000 lbs	17.804

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30236	NSK	Tapered Roller	180	320	52	117,000 lbs	16.601
30336	NSK	Tapered Roller	180	380	75	210,000 lbs	39.308
32336	NSK	Tapered Roller	180	380	126	342,000 lbs	66.81
HR32036	NSK	Tapered Roller	180	280	64	785 kN	14.3
HR32036XJ	NSK	Tapered Roller	180	280	64	640,000 lbs	14.302
HR32236	NSK	Tapered Roller	180	320	86	1180 kN	29.8
HR32236J	NSK	Tapered Roller	180	320	86	216,000 lbs	29.806
HR32936	NSK	Tapered Roller	180	250	45	435 kN	6.56

Request a quotation for HR30236

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