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
120
4.7244
D
Outside diameter
215
8.4646
B
Inner-ring / bearing width
40
1.5748
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)
120
Bore d (in)
4.7244
Outside dia. D (mm)
215
Outside dia. D (in)
8.4646
Width B (mm)
40
Width B (in)
1.5748
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
42500
Basic static load rating Cor (lbs)
41200
Limiting speed - grease (rpm)
4,800
Limiting speed - oil (rpm)
6,700
Weight
Weight (kg)
5.42
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.079
Fillet rb (in)
0.039
Shaft shoulder da (in)
5.197
Housing shoulder Da (in)
7.992
Housing shoulder Db (in)
8.189
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,600 rpm
4
47,262
64
667
6
31,508
216
2,250
8
23,631
512
5,333
10
18,905
1,000
10,417
15
12,603
3,375
35,156
Basic rating life per ISO 281: L10 = (C/P)3 with C = 189,049 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.
