Original catalogue drawing - NSK catalogue, page 221
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
140
5.5118
D
Outside diameter
210
8.2677
B
Inner-ring / bearing width
53
2.0866
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)
140
Bore d (in)
5.5118
Outside dia. D (mm)
210
Outside dia. D (in)
8.2677
Width B (mm)
53
Width B (in)
2.0866
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
67200
Basic static load rating Cor (lbs)
116000
Limiting speed - grease (rpm)
4,000
Limiting speed - oil (rpm)
4,500
Weight
Weight (kg)
6.319
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.0787
Shaft shoulder da min (in)
7.9134
Shaft shoulder da (in)
5.8661
Housing shoulder Db (in)
7.6772
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,300 rpm
4
74,730
64
821
6
49,820
216
2,769
8
37,365
512
6,564
10
29,892
1,000
12,821
15
19,928
3,375
43,269
Basic rating life per ISO 281: L10 = (C/P)3 with C = 298,920 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.223 (dimensions) / p.224 (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.
