Original catalogue drawing - NSK catalogue, page 91
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
1180
46.4567
D
Outside diameter
1540
60.6299
B
Inner-ring / bearing width
272
10.7087
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)
1180
Bore d (in)
46.4567
Outside dia. D (mm)
1540
Outside dia. D (in)
60.6299
Width B (mm)
272
Width B (in)
10.7087
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
2380000
Basic static load rating Cor (lbs)
6550000
Limiting speed - grease (rpm)
110
Limiting speed - oil (rpm)
140
Weight
Weight (kg)
1305.892
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.236
Shaft shoulder da min (in)
47.87
Shaft shoulder da max (in)
50.11
Housing shoulder Da min (in)
56.46
Housing shoulder Da max (in)
59.21
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 100 rpm
4
2,646,692
102
16,932
6
1,764,461
392
65,416
8
1,323,346
1,024
170,667
10
1,058,677
2,154
359,072
15
705,784
8,323
1,387,244
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 10,586,767 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.
Source & traceability
Brand
NSK
Source catalogue
NSK inch product catalogue
Catalogue page
p.93 (dimensions) / p.94 (ratings)
Dimensions in inches and millimetres, load ratings in lbs.
Send us the quantity you need and we will come back with price and
lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.
