d - 55 mm

D - 120 mm

T - 31,5 mm

a - 25 mm

B - 29 mm

C - 25 mm

C_{a min} - 4 mm

C_{b min} - 6,5 mm

D_{a max} - 110 mm

D_{a min} - 104 mm

D_{b min} - 111 mm

d₁ - 84,7 mm

d_{a max} - 71 mm

d_{b min} - 65 mm

r_{1, 2 min} - 2,5 mm

r_{3, 4 min} - 2 mm

r_{a max} - 2,5 mm

r_{b max} - 2 mm

m - 1,8 kg / Weight

C_r - 151000 N

C_0r - 173000 N / Static load rating (radial)

e - 0,35

Y - 1,74

Y₀ - 0,96

C_ur - 20600 N / Fatigue limit load, radial

n_G - 6200 1/min / Limiting speed

n_B - 4500 1/min / Reference speed

Main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

• Model Number:30311-A
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:walking Food processing machinery and equipment,relay,instrument,turret industry,Forming mold,hot and cold box,raw material accessories,bag machine,meat products machine,defogging and degreasing,gas turbine
• Similar models:Fersa 30311F NTN 30311 KBC 30311DJ NTN 430311XU FAG 30311-A NSK HR30311DJ NTN 4T-30311 KOYO 46T30311DJR/49 NTN 4T-30311DDF NSK HR30311J
• BEARING POWER International Trading Co.,Ltd. specialize in 30311-A products，there is large inventory of FAG 30311-A . We has been built up long-term cooperation with FAG company, could make a bulk order of the 30311-A Which FAG 30311-A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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