Page 312 - needle bearings

Linear flat rollers
NTN

Type FF
Type FFʝZW

''ܗ ''ʝ;8ܗ

DW 2ʙ3.5mm

Boundary dimensions Basic load ratings Bearing Number Abutment Mass
of
dynamic static dynamic static numbers dimensions
rolls
mm N kgf mm kg
1)
Dw b B L Lw a Cr Cor Cr Cor E H (approx.)
0
2 10 ʵ 32 6.8 2 8 500 19 700 865 2 010 FF2010 7 10.3 ʴ0.1 1.7 ʵ0.2 0.0020
0
0
2 10 25 32 6.8 2 15 500 39 500 1 580 4 000 FF2025ZW 14 25.3 ʴ0.1 1.7 ʵ0.2 0.0043
0
0
2.5 15 ʵ 45 9.8 2.4 17 100 41 400 1 740 4 200 FF2515 8 15.3 ʴ0.1 2.2 ʵ0.2 0.0038
0
0
2.5 15 35 45 9.8 2.4 29 300 82 500 2 980 8 450 FF2535ZW 16 35.3 ʴ0.1 2.2 ʵ0.2 0.0082
0
3 20 ʵ 60 13.8 3 31 000 79 500 3 150 8 100 FF3020 9 20.4 ʴ0.1 2.7 0 0.0089
0 ʵ0.2
3 20 45 60 13.8 3 53 500 145 000 5 450 14 800 FF3045ZW 18 45.4 ʴ0.1 2.7 0 0.019
0 ʵ0.2
3.5 25 ʵ 75 17.8 3.2 50 000 132 000 5 100 13 500 FF3525 10 25.4 ʴ0.1 3.2 0 0.017
0 ʵ0.2
3.5 25 55 75 17.8 3.2 86 000 265 000 8 800 27 000 FF3555ZW 20 55.4 ʴ0.1 3.2 0 0.035
0 ʵ0.2

Note 1) The dimensional tolerance for needle roller diameter Dw is 0 to -2 Жm.

B-250