Page 113 - needle bearings

Drawn cup needle roller bearings
NTN

FW 44.450ʙ50.800mm

Boundary dimensions Basic load ratings Limiting speeds Bearing Mass Appropriate 1)
dynamic static dynamic static numbers inner ring
mm (!/25 . 4mm)
N kgf r/min kg
Fw D C grease oil
0
ʵ0.2 Cr Cor Cr Cor (approx.) (as a reference)
53.975(2 !/8) 19.050(#/4) 29 200 47 500 2 980 4 850 3 700 5 500 DCL2812 0.074 MI-242812
44.450(1 #/4) 53.975(2 !/8) 25.400(1) 40 500 72 000 4 100 7 350 3 700 5 500 DCL2816 0.099 MI-242816
53.975(2 !/8) 38.100(1 !/2) 62 000 126 000 6 350 12 800 3 700 5 500 DCL2824 0.149 ʵ
57.150(2 !/4) 12.700(!/2) 19 700 29 200 2 000 2 980 3 300 5 000 DCL 308 0.053 ʵ
47.625(1 &/8) 57.150(2 !/4) 15.875(%/8) 24 200 38 000 2 460 3 900 3 300 5 000 DCL3010 0.066 ʵ
57.150(2 !/4) 25.400(1) 42 000 78 000 4 300 7 950 3 300 5 000 DCL3016 0.106 ʵ
60.325(2 #/8) 12.700(!/2) 20 400 31 500 2 080 3 200 3 100 4 700 DCL 328 0.056 ʵ
60.325(2 #/8) 25.400(1) 44 000 83 500 4 450 8 550 3 100 4 700 DCL3216 0.112 ʵ
50.800(2)
60.325(2 #/8) 31.750(1 !/4) 55 500 113 000 5 650 11 500 3 100 4 700 DCL3220 0.140 ʵ
60.325(2 #/8) 38.100(1 !/2) 67 500 146 000 6 850 14 800 3 100 4 700 DCL3224 0.168 ʵ

Note 1) Bearing with inner ring is represented by DCL-MI. (Refer to Inner Ring Dimension Table on page B-130.)
EX. DCL2816 + MI-242816
Remarks: Manufacture of the closed end type bearings under this Table is also available.
B-51