Model-Shandong Dongjie Bearing Co., Ltd.

Model	d	D	B	Cr	Cor	Reference speed	Limiting Speeds
NKIS 45	-	72 mm	22 mm	44.6 N	78 N	-	8000
NA 4909	-	68 mm	22 mm	45.7 N	78 N	-	8500
NA 6909	-	68 mm	40 mm	70.4 N	137 N	-	8500
NKI 45/25 TN	-	62 mm	25 mm	42.9 N	91.5 N	-	9000
NA 4909 RS	-	68 mm	22 mm	39.1 N	64 N	-	3800
NA 4909.2RS	-	68 mm	23 mm	39.1 N	64 N	-	3800
NKI 45/35 TN	-	62 mm	35 mm	58.3 N	137 N	-	9000
NA 4910	-	72 mm	22 mm	47.3 N	85 N	-	8000
NKIS 50	-	80 mm	28 mm	62.7 N	104 N	-	7500
NA 6910	-	72 mm	40 mm	73.7 N	150 N	-	8000
NA 4910.2RS	-	72 mm	23 mm	40.2 N	69.5 N	-	3400
NA 4910 RS	-	72 mm	23 mm	40.2 N	69.5 N	-	3400
NKI 50/35	-	68 mm	35 mm	52.3 N	122 N	-	8500
NAO 50x68x20	-	68 mm	20 mm	27 N	67 N	-	8500
NKI 50/25	-	68 mm	25 mm	40.2 N	88 N	-	8500
NKIS 55	-	85 mm	28 mm	66 N	114 N	-	6700
NA 4911	-	80 mm	25 mm	57.2 N	106 N	-	7000
NA 6911	-	80 mm	45 mm	89.7 N	190 N	-	7000
NKI 55/35	-	72 mm	35 mm	55 N	134 N	-	7500
NKI 55/25 TN	-	72 mm	25 mm	46.8 N	110 N	-	7500

Model