Original catalogue drawing - NSK catalogue, page 197
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
65
2.5591
D
Outside diameter
120
4.7244
B
Inner-ring / bearing width
23
0.9055
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)
65
Bore d (in)
2.5591
Outside dia. D (mm)
120
Outside dia. D (in)
4.7244
Width B (mm)
23
Width B (in)
0.9055
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
15700
Basic static load rating Cor (lbs)
12600
Limiting speed - grease (rpm)
8,500
Limiting speed - oil (rpm)
12,000
Weight
Weight (kg)
1.002
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.059
Fillet rb (in)
0.031
Shaft shoulder da (in)
2.913
Housing shoulder Da (in)
4.370
Housing shoulder Db (in)
4.488
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 2,800 rpm
4
17,459
64
381
6
11,640
216
1,286
8
8,730
512
3,048
10
6,984
1,000
5,952
15
4,656
3,375
20,089
Basic rating life per ISO 281: L10 = (C/P)3 with C = 69,837 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.199 (dimensions) / p.200 (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.
