d - 55 mm

D - 120 mm

T - 31,5 mm

a - 39 mm

B - 29 mm

C - 21 mm

C_{a min} - 4 mm

C_{b min} - 10,5 mm

D_{a max} - 110 mm

D_{a min} - 94 mm

D_{b min} - 113 mm

d₁ - 88 mm

d_{a max} - 68 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 - 1,57 kg / Weight

C_r - 123000 N

C_0r - 139000 N / Static load rating (radial)

e - 0,83

Y - 0,73

Y₀ - 0,4

C_ur - 16400 N / Fatigue limit load, radial

n_G - 5900 1/min / Limiting speed

n_B - 4100 1/min / Reference speed

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

• Model Number: 31311-A
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:cleaning agent,engine,Leather Products,garbage disposal,generator,stacker lift platform,X-ray Equipment,noise reduction equipment,labor insurance,car,Storage Tool
• Similar models:NKE 31311-DF SKF 31311J2/QCL7C Fersa 31311F FBJ 31311 SKF 31311J2/QDF SNR 31311A CX 31311A FAG 31311-A-N11CA-A80-120 Timken 31311 FAG 31311-A
• BEARING POWER International Trading Co.,Ltd. specialize in 31311-A products，there is large inventory of FAG 31311-A . We has been built up long-term cooperation with FAG company, could make a bulk order of the 31311-A Which FAG 31311-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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  23044W33	220	340	90	ISO	Spherical Roller Bearings
  306474 D	1080	760	150	SKF	Deep Groove Ball Bearings
  31322	110	240	63	ISB	Tapered Roller Bearings
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  32344	220	460	154	NSK	Tapered Roller Bearings
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  HK283818	28	38	18	CX	Cylindrical Roller Bearings
  NU2316 E	80	170	58	CX	Cylindrical Roller Bearings
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