Original catalogue drawing - NSK catalogue, page 115
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
100
3.937
D
Outside diameter
215
8.4646
B
Inner-ring / bearing width
73
2.874
T
Overall assembly width
77.5
3.0512
C
Cup / outer-ring width
60
2.3622
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)
100
Bore d (in)
3.9370
Outside dia. D (mm)
215
Outside dia. D (in)
8.4646
Width B (mm)
73
Width B (in)
2.8740
Overall width T (mm)
77.5
Overall width T (in)
3.0512
Cup width C (mm)
60
Cup width C (in)
2.3622
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
127000
Basic static load rating Cor (lbs)
134000
Limiting speed - grease (rpm)
1,700
Limiting speed - oil (rpm)
2,400
Weight
Weight (kg)
12.701
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.12
Shaft shoulder da min (in)
4.925
Housing shoulder Da max (in)
7.913
Shaft shoulder db max (in)
4.925
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
141,231
102
3,386
6
94,154
392
13,083
8
70,616
1,024
34,133
10
56,492
2,154
71,814
15
37,662
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 564,924 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.117 (dimensions) / p.118 (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.
