d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 21 mm

a - 39 mm

r1 min. - 2,5 mm

r2 min. - 2,5 mm

r3 min. - 2 mm

r4 min. - 2 mm

da max - 68 mm

Da min - 94 mm

db min - 65 mm

Db min. - 113 mm

Weight - 1,6 Kg

Basic dynamic load rating (C) - 122 kN

Basic static load rating (C0) - 138 kN

Limiting speed - 5600 r/min

Calculation factor (e) - 0,83

Calculation factor (Y) - 0,73

Calculation factor (Y0) - 0,4

• Model Number:31311
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2026-01-10
• Application:Anti-defibrillation pacing,laser devices,aerial work platform,Roller,Infrared Technology,marine analysis and testing equipment,instrument,metallurgical mold,steam Hydraulic control element,fabric products,Digital Generator
• Similar models:ISB 31311J/DF CX 31311A SKF 31311J2/QCL7C NKE 31311-DF SNR 31311A ISO 31311 Fersa 31311F FAG 31311-A-N11CA-A80-120 SKF 31311J2/QDF NKE 31311
• BEARING POWER International Trading Co.,Ltd. specialize in 31311 products，there is large inventory of NKE 31311 . We has been built up long-term cooperation with NKE company, could make a bulk order of the 31311 Which NKE 31311 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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  C3080M	400	600	148	SKF	Cylindrical Roller Bearings
  CX161				CX	Wheel Bearings
  F-1341	25	33	20	INA	Needle Roller Bearings
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  GRA25	25			INA	Bearing Units
  HK2530.2RS	25	32	30	SKF	Needle Roller Bearings
  MJ 2.3/4	69,85	158,75	34,93	SIGMA	Deep Groove Ball Bearings
  MUP000	10		18	NACHI	Bearing Units
  NNCF4920-V	100	130	40	NKE	Cylindrical Roller Bearings
  NU 316	80	170	39	SIGMA	Cylindrical Roller Bearings
  2917	115	85		SKF	THRUST BALL BEARINGS
  K-32x38x20	32	38	20	CONSOLIDATED	NEEDLE BEARINGS
  KM-21			18	CONSOLIDATED	LOCKNUTS