SKF 81220TN Cylindrical Roller Bearing

Cylindrical Roller Bearing

RFQ

Estimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)

In stockEstimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)

EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.

Category: Cylindrical Roller Bearing

Overview

Cylindrical roller bearing

Cylindrical roller bearings provide line contact between rollers and raceways, accommodating very high radial loads together with high-speed operation. Depending on the flange configuration (NU, NJ, N, NUP), they allow axial displacement or locate the shaft in one or both directions, and their separable design eases mounting and maintenance. They are widely used in gearboxes, electric motors and rolling-mill equipment for heavy-duty service.

Key features

Very high radial load capacity
High-speed capable with high rigidity
Separable design for easy mounting
Axial function selectable by flange type

Typical applications

Industrial electric motors
Gearboxes and reducers
Machine tool spindle support positions
Rolling mills, paper machines, and heavy machinery

Selection guidance

Choose the N, NU, NJ, or NUP design by load direction, axial locating requirement, cage material, internal clearance, and lubrication condition.

Symbol	Value	Description
C	270 kN	Basic dynamic load rating
C0	1 060 kN	Basic static load rating
reference_speed_rpm	900 r/min	Reference speed
limiting_speed_rpm	1 800 r/min	Limiting speed

Symbol	Value	Description
d	100 mm	Bore diameter
D	150 mm	Outside diameter
H	38 mm	Height

Symbol	Value	Description
da	min. 142 mm	da
Da	max. 107 mm	Da
ra	max. 1.1 mm	ra

Code	Description
베어링 부품	Complete bearing
축방향 하중 역량	Single row
열 개수	1
케이지	Non-metallic
공차 클래스	Normal
소재, 베어링	Bearing steel
코팅	None
제품 순 중량	2.2 kg
UNSPSC 코드	31171505

datasheet pdf download

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