outline dimension (mm)

d	220
D	270
B	24
γ(min)	1.5
γ1(min）	1

Rated load (single column) (KN)

Cr	85
Cor	135

Rated load (single column) {kgf}

Cr	8650
Cor	13800

coefficient

f0	—

Rated speed min ^-1

Fat lubrication	—
oiling	—

Action point location (mm)

a	82.7

Installation-associated dimensions (mm)

da（min）	239
da(max)	255
γa（max）	1.5

weight (kg)

(consult)	2.84

bearing symbol

single-row	7844A
DB assemble	DB
DF assemble	DF
DT assemble	—

Rated load (combined form) (KN)

Cr	138
Cor	270

Rated load (combined form) {kgf}

Cr	14100
Cor	27500

Rated rotation speed of combined form (1) (min-1)

Fat lubrication	—
oiling	—

The combined form of action point distance (mm) a0

Back combination	165.5
Positive combination	117.5

Dimdimensions for combined installation (mm)

Db(min)	—
db(max)	258
γb(max	1