outline dimension (mm)

d	220
D	270
B	24
γ(min)	1.5
γ1(min）	1

Rated load (single column) (KN)

Cr	75.5
Cor	120

Rated load (single column) {kgf}

Cr	7700
Cor	12300

coefficient

f0	—

Rated speed min ^-1

Fat lubrication	—
oiling	—

Action point location (mm)

a	114.8

Installation-associated dimensions (mm)

da（min）	239
da(max)	255
γa（max）	1.5

weight (kg)

(consult)	2.82

bearing symbol

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

Rated load (combined form) (KN)

Cr	122
Cor	241

Rated load (combined form) {kgf}

Cr	12500
Cor	24600

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

Fat lubrication	—
oiling	—

The combined form of action point distance (mm) a0

Back combination	229.6
Positive combination	181.6

Dimdimensions for combined installation (mm)

Db(min)	—
db(max)	258
γb(max	1